UNITY Introduction to Angular and Web Applications Frameworks Syllabus srstanding ng attributes, “Expressions and data Jnoroduction 10 AngulardS, MYC Architecture, Unde pinding, Conditional Directives, Style Directives, Controllers, Filters, Forms, Routers, Modules. Firebase - Docker - Node JS - React - Django - Services; Web Applications Frameworks and Tools - Ul & UX. Contents 7.1 Introduction to AngularJS 7.2. MVC Architecture 7.3. Understanding ng Attributes 7.4 Expressions and Data Binding 7.5 Conditional Directives 7.6 Style Directives Controllers Filters 77 78 79 7.10 Routers Forms 7.11 Modules 7.12 Services 7.13. Web Applications Frameworks and Tools 7.14 rks Questions with Answers Two Marnt WED Anptioation we) aacanl IS Fromewoyas. Introduction to AngulanlS ® Aggatars is a powertel Javaseny framework # isan open snare flontend enables wed application framework, © Tis tioensead mnder Apache Hisense Version 2.0. © Weatends HTML DOM with additional ataibates, It is more responsive 10 User actions, Advantages. Following are the advantages of AngulalS, 1. Built by Google Engineers : The AngularlS is maintained by dedieated Google Enginocrs, That means = There is huge community tor development and enhancement, 2 MVC Support + It is based on Model View Controller (MYC) architecture whieh provides cpatation of model, view and controller components, 3. Intuitive = 1 is more intuitive as it makes use of HTML as a declarative language, Moreover, it is less britile for reorganizing, : 4. Comprehensive: AngularlS isa comprehensive solution for rapid frontend development, Ut does not need any other plugins or framewor 8 Rich Features : There is a wide range of features supported by AngulardS such as data binding, dependency injection, enterprise level testing and so on, 6. Unit Testing : The Angularl code is unit testable, 7. Reusable Code: Angular) support for using the reusable components, 8 Less Code + It support for less code anit more flnetionality, Disadvantages 1. As AngutardS is based on JavaScript framework, it is not secur 2. There are multiple ways to do the sume thing with Angulaid, Sometimes, it can bo hard for novices to say whieh way is better for a task, Foaturos of AngularJS ‘There are core fetures Angula3S hare widely us by el 1, Data binding + I allows the 4 components, b developers, ‘These are - "wlomitie synchronization between model and vie 2, Seape : There ore some objec i og and Hom model that cun bo correlated! controller HM view, ‘TMenNICM. PUBLICATIONS A Up AOE OF bo wlagoupp Technotostios ues Introduction to Angular and Web Applications Frameworks 3, Controller + These are busivally JavaScript functions that are bound to particular scope. 4. Directives The directives is de Filter ‘gned to give ITTML new functionality. This feature allows to select subset from array of items. fh, Routing : This feature allows to switch between multiple views. 7, Services : There is a support for many built in services for Angular] 8. Dependency injection ¢ ICis a sotlware design pattern that helps the developer to develop and understand the application easily. FAA Me Architecture Concopt of MVC The MVC stands for model, view and controller, TC is a patter for the architectural framework, It consists of three parts tion data, ‘This module responds to the request made from view, The model gives instructions to controller to update when the respons 1. Modet ¢ ‘This part of the architecture is responsible for managing the applica is made, 2. View : This part takes care of the preser ation of data, ‘The data is presented in desired pt based system using ISP, ASP, PHP and so format with the help of view, This isa s on, 3. Controller : The controller receives input, validates it, and then performs: business operations that modify the state of the dau model. The contr Her ba: squest and performs interaction with madel, Refer Fig. 7.2.1 cally responds to Fig, 7.2.1 MVG architacture MVC in AngulardS © Modules itt AnguluedS serve as containers 10 help you organize your application into logical units, + Modutey toll Angulard$ how an application is configured. TECHNICAL PULLICA TIONS san apyttuurat Ror owtIntroduction to Angular and Web Applications Frame; Yieb Technologies 7-4 orks * In angularJS the module are represented using the directive and module name. + The scope object binds the view with controller. in AngularJS it is possible to have multiple views for single page application. + The ng-view and ng-template and ng-route directives support the concept of views. * The use of controller in Angular}S is to control the flow of data. The ng-controller directive is used for this purpose. Refer Fig. 7.2.2. Module EDK mam Directive Services Fig. 7.2.2 MVC with angularJS 1. Explain the MVC architecture of AngularIS Understanding ng Attributes * In AngularJS, the capacity of HTML is extended using the ng-directives. * The directives are specified with ng prefix, * The three commonly used ng-directives are 1. mgrapp : Ths directive defines an Angular! application 2. ngrmodel : This directive binds the value of HTML controls to application 43% These controls can be input, select, textarea and so on, 3. ng-hind : This directive binds application data to HTML view. Let us now Icam and understand how to develop Angular JS application. TECHHICAL PUBLICATIONS? «on upinay or knowlodgoWeb Technologies 7-5 Introduction to Angular and Web Applications Frameworks Step 1: Create an AngularJS code as follows in a Notepad, Save it using the extension htm or html i AngularJS Document{FirstApp.html] | ; | f } i

AngularJS Application

Enter your Name:

Welcome

Output My First Angular’ XE | AngularJS Application ee el | | Welcome MrX¥Z € © file:///c:/FirstApp.htm! Enter your Name: Script Explanation : 1. The AngulardS script is written within tags. The AngualarIS is based on JavaScript framework. The framework for Angular}S is loaded using the tag, Tt is as follows - TECHNICAL PUBLICATIONS® - an up-thrust for knowledgead Wed Applications Frameworks OS ve nmanp dincetive is defined in above script as follows « 2. Detining np-app directive : The mpsopp dinetive IES ae Ente: your Name.

4. Defining np-bind : We can bind the value entered in the textbox with name using np- bind directive.

Welcome | “0 Up oni be brredegevob Technologies 7-7 Introduction to Angular and Web Applications Frameworks Output t HESS OK JasDirectiveDen XE : € O file///d:/DirectiveDemc ec» = I love my country!!! ' | | | | | | | | | | ES 3. ng-model : The ng-model directive binds the value of HTML control to application data. These controls can be input, select, textarea and so on, For example - AngularJS Document[FirstApp.html] ‘

The elements are -

, TECHNICAL PUBLICATIONS® 8 thal erimmsany agWeb Technologies 7-9 Introduction to Angular and Web Applications Frameworks Output PéDirectiveRep XE €_ © file:///d:/DirectiveRepes « = The elements are - 10 +20 30 = 40 | | | | | Expressions and Data Binding © In AngularJS the expressions are written within {{ }}. For example - {{2 + 3}} is expression. AngularJS binds data to HTML using expressions. m the result of evaluation. © AngularJS solves the expression and retuy far to JavaScript expressions. The expression © The expressions in AngularJS are just simil contains literals, variables and operators. AngularJS Document[ExpressionDemo.html] old = true’> Thee checks i wut checkedyop Technologies 7-19 Introduction to Angular and Web Applications Frameworks Script Explanation ; In above script, 1) We have used ng-if element for the input checkbox. This checkbox is defined by myld. 2) If the checkbox is checked then the welcome message will be displayed else, the “gheckbox is not checked” message will be displayed. For such conditions the ng-if directive is used. 2, The ng-switch Directive The ng-switch directive allows the user to select the desired HTML element depending upon the expression. Child elements with the ng-switch-when directive will be displayed if it gets a match, otherwise the element and its children will be removed. syntax "value"> "value"> Select the desired brand: Samsung OnePlus Nokia">Nokia ‘Applo"> Apple ste> Sdiv ug-switeh="myld'> div ng-swatch-whens'Samsung’> Sh3>You have chosen the Samsung TECHNICAL PUBLICATIONS® - an up-thrust for knowledgelist, io which various mobile brands are listed out. The of 2 maich with the selected mobile brand, When a user selects 2 eS ae eer prima tor eetedge\yeb Technologies 7-15 Introduction to Angular and Web Applications Frameworks [BA Style Directives The ng-style directive is used to set the style for the HTML elements. The value assigned to the ng-style must be the object or an expression returning the object. Inside this object the CSS propertics and values are given as key-value pairs. syntax ‘myApp" ng-controller="myCtl"> East or West India is the BESTI! var app = angular.module("myApp’, [); app.controller(‘myCtrl’, function(Sscope) { Sscope.myStyle = { color’: "black’, . “packground.color" : “kbaka’, “sfont-size® :*20px", yh 1D | DB siledemanemt © File | E/engular_Estye.. | [East o1 ‘West India is the BEST!!! TECHNICAL PUBLICATIONS® - an up-thrust for knowledgePe0IReONS Freeney, remo Ay TE sz oszg color, background =] the flow of daz The ng-controller act connsicing properdes 2nd fimetions. hich refers to the application/module that Geined vib properis. These properties are then assigned with some by following exemple - Angule JS Dosument|ContollerDemo html] < 3 aa 4 gman Soe Tap. span posers oom ejen ths eagalarje/1.3 W/engulas min js'> User TECHNICAL PUBLICATIONS® - an up-hnust for knowiedgalett Adéress: AAA lives in city Pune | I i | Cav: Pune | | | { j Script Explanation : In sbove seript : 1, The two propenies user and city are defined. Along with them, @ ™ Address function() is invoked, 2. This function returns the sting containing values to the properties 3, This function is then bounded to HTML, Controller with external File We can write and save the contolle in some extemal file, This file can be tC? the HTML document. Hee isthe illustration TEOHOUCAL PUBLICATIONS. an pt ar hnowed® ethor aed invoredWeb Technologies 7-19 Introduction to Angular and Web Applications Frameworks Step 1: Create a file in Notepad. Name it with extension js. External File[MyController.js] angular.module('MyApp’, {]). controller('MyController’, function($scope) { $scope.user = "AAA"; $scope.city = "Pune’ Sscope.address_fun function() { retum $scope.user+" "+$scope.city; } yi Step 2 : Create a HTML document invoking the external js file created in above step. HTML Document{ControllerFileDemo.html]

\ser">

jty">
User: ‘ Output ie : ESE OG bx CSE € © file///d:/Contro!! e » = User: TECHNICAL PUBLICATIONS® - an up-thrus for knowledge1.10 __hracton to Arglr and Wob AppcationsFremonerg Wb Techinologios _ Roview Question Tata ems of contain AnguardS 2 Explain it with the help of an exampre, ab a . Filters + Filters are used to modify the data, «These are used along with expressions or directives using pipe (|) character, + Commonly used filters are - = Purpose uppercase Convers the texto uppercase | lowercase Convers the text to lower case, currency ‘Converts the number into currency format. | orderBy Arranges the elements of the array based on criteria, | filer Selects the subset of tems from array. 1. Example Demonstrating uppercase filter AngularJS Document{FilterDemo1 html] f mgt c= aps ter Veja areageapis coralajaxMbo/angularjo/ 3.14/angular.min.js'> po Sih ng-comaraller: MyControlier > apo Tue { wppetcase }}

Alar coerigne anggules a 7 ANomtaces yCennrotl function($ucope) { ee ee aWeb Technologies 7-20 Introduction to Angular and Web Applications Frame Output i So Orne X <|x +v | © @ file:///a:yritterd ec» =] The name is AAA i | { | a 2. Example Demonstrating lowercase Filter AngularJS Document[FilterDemo2.html]

The name is {{ user | lowercase }}

Wob Tochnology 1-2 _hcon hed on 0D hop tcatens Frama outpot ay he, €&_ @ thepfetfiner : ‘The name is aaa 3, Example Domonstrating currency Filtor AngularsS Document{FilterDemo3.htmnl] crip s1e="hutpa//ajax oogloapi.com/ajex/ibs/angulara/1.3.14/anyuar. min,js">

<

‘angular.nodile(’MyA pp’ {I} controll MyControllr, function(Sscope) { $scope.amount = 100 yh TECHNICAL PUBLICATIONS® - an vpinst for nowiedg®Web Technologies 7-23 Introduction to Angular and Web Applications Fra. Output pean eleva < EX + | & © filey//dyFiterd: c» = The amount is $100.00 } 4, Example Demonstrating filter Filter AngularJS Document[FilterDemo4.html]

© pate] > bY € © file///a:/FilterDeme4 cc. = ; ‘The cities having character typed in textbox are - (eae + Mumbai i + Chennai + Surat Kolkatta Dehradun 5. Example Demonstrating orderBy Filter AngularJS Document[FilterDemo5.html] isbody>

angular Sevope persoaia tale(MyApp, iy] contraler(yControlr,function(Sscope) { ‘The names are listed in ascending order of city name \ f © BBB lives in Banglore | * CCC lives in Chennai | « DDD lives in Delhi ¢ EEE lives in Mumbai © AAA lives in Pone JWeb Technologies “7-27 Introduction to Angular and Web Applications Frameworks Forms ; Form is a collection of various controls. © AngularJS support two types of controls - Data binding and validation controls. * Various controls supported by AngularJS forms are - o Input © Select o Button o textarea. 4. Input Control User can type some text in the text box and the same text can be displayed on the AngularJS document. For this binding we use inside the

tag. cht ncophon= wbind' > When vou cheat the checkbox ths memage will be displayed aier> s sefis> Outpet P sro x eitheio ae © 0 hevjeKresge: e» Bf Check the checiebor Z Wher you check the checkbor thi i Meyrin this message willWeb Technologies _ and Wab Applications Framewor. 3. Radio Button The radio button is basically a group of buttons which allows you to choos time. one value at Let us sce an illustrative script that uses Radio button control AngularJS Document[RadioButtonDemo.htmi] 'http://ajax. googleapis.com/ajax/libs/angularjs/1.3. 14/angular. min.jg"> Select the color:
Red
Green "radio" ng-model="color’ valu >Bluo

You have chosen Green Color

You have chosen Blue Color

Output fevtasobet x oF e MW € O fhepjaRaaobuns Select the color Red, Green, Blue You have chosen Bluc Color Al, PUBLICATIONS® - an up-tnust for knawiedgoAR InP AWW SN HED BMAINNG 6 Reg DW Aeieaner We se aNd ATS SRI a HA WD Be SANE MaRtto is taken fy Say aad Daten SNS DAT BAS DRERIS the peaks Gnane 8 AO HEME doormen, the ag. AA RARE RAE IES. GORE ELOY, & Ye aS MON BE Ne WE HAs Ginnwie & Re ant Show NEML soations qrnniling WOOT ATG ATO NRIs Whos AOwAT oF MVE Radio Netto is. ay IRHDNG TNE ARNT Sagan’ SRW Tek DA IAEA DERN TD SSNIND SOT BGS, Bar enarnypte + AQUI DanmanQekeom Ng] ROU san Same s a TERA AAR AGATA EATEN A ARS SSey SEINE Sees AS Nasi PARAS : Seeman cater naa SN SANEU Vale WORD SES I See Steen SAA REARS Naivangewash ahaa SO) You have choses Rad Cae Cys SAND gwerewheas ys sp> Vou have chosen Graca Daler

we Sa swatch when's ~p> You nave chosen Bino Calas Sys saw ~Aiv> Sly ee ——— TEORIEAL PUSUCANONSS ae San hasty eeWed Teabags otootatinn ) Anger ant Hed dono Framwenrast Outpar Qe sh SelentBoa Ne « Select the calor [Sreen You have chosen Given Color & The button We ean create a button contial and invoke some Ainetionality at its ched event Boe examples AngulandS Document{ButtonDemo,htmnl] Aims Ssoupt sie & TAU SU/eAIAN GooMea HS oomLaLAchDs/angnlays’ Tg. LVangular mis jes eA HOS Sbatys Saiv nosapp © “MYA nar contioltor -"MyConttoller > Stonn> Speknter your Name: 59> storm Xp>Welcoma {{uisemame}} sitive Sscript> var app = angular module’ My APD’ I: —app.contioller’ MyControttor’ fmetion(Sseope) { Sscope namo = “AAA i Sscope.dinplay =funrction0 { Sacope asemamenSscope namo, k » S/seript> sdoumt> TECHAGAL PUBLICATIONS = an thst hy Rnowes9> bhae Teorey Weer XYZ dp aoe SAR on MESTRA creat he Garston Aphay Biel named dy dowsing notion displays ingen gent dn. + ThengRontemaklehay + Single page application & a wed spplient @ The ngRoute module prniges a. TuteProvider: # Rass camps ef rredag ¢ Rhy in wed again, ety te the prowess of penetts 2 be dighayad Nasal on URL, For instance, solving She ame page and if dhe usr clicks on the Sammy de asd pee seamet ay demon tea, wedange otis infimeton is digglayed brmadiately on the Se HOS your aqication t anaw a single page application, a that opotss within a single WD PEE Whon a usr intomets with the page instead of the oatire page reloading, oaly the REESSEY puts of he PAE EY aNd sAMehomasly, This improves: over! owed spplicadion aAd rahi the ammuat of data that neads t0 6 mranaitaad over dhe nsw patie 0 ‘The neRonte module roetes your eaicaton to diflerant pages without reloading the The StoanProvider eases see usd ty map the particular view with comespondling ATL page ening templarn, oe $10 seniog, which allows developers © define mutes and asswiatal views for thar application, The nia sie Typically dofinad in the apptication's configuration phase. TRRAKCAL RRLICATONG an era br onwmeWed Techaodgins TS fetrodkcton to Angutar and Wed Anotestons Framennrts. * The routes are defined by calling the when method on the routeProvider object. JWssing tn a puth (siting oF regen) and a configuration object that specifies the template and coamuller to use the the route. The templeURL is used to whieh the URL of the routal page is spevitiad, 5 + The ngRoute module routes your application to different pages without reloading the entire application, I is used tn angularmodule, Demo Application Step ts Create the main page for invoking the view pages, AngularJS Document{ViowDemo.htmi] SDOCTYPS huts PS//AIAN GOEMOUPIL.© aan bbs angulans’) UML angubar mun gs SS /seryey script Stes RIPS AN GON TRNSS CO AUT ARTA LA HA AMMAE TOUTE JST S'S apts boty agape nyApy > cpr sa tretst@yY SMa as Sp Sa brete"@ wit SFist Views a> Str Sa bref" # view?" >Sorond View SAT SDS Sav ng-vew> < ate var app = angular.mostule(my App PagRoute’)s app. configihmenionSroutePronder) { SrouteProwder ewer", { templatelit “‘ViewDento ‘unt y awheng iow { yemplateUr Mew Lbonl » Awhen( view?" { ateUrd View 2 bun!” temp! ww } Jecrpt> JECRARCAL PUBLICA TONS® «a9 agp ent Re tntSan rene, ‘Blow 2 Creote vaew ! Aa page to deeply frst view =7-95 Introduction to Angular and Web Applications Framaworks Wob Technologies On clicking the first view or second view hyperlink the corresponding page will be displayed. Thus routing to different views is possible using ng-route. [ 1. Write an AngularJS application to demonstrate the concept of router. = Modules i We can write the script in AngularJS using different modules. Basically the modules help in separation of logic such as controller, service. application etc. * The modules can be defined in separate .js fil Application module and controller module. * Most commonly there are two modules in AngularJS with the help of example. * Let us understand how to use modulk # First consider the following code without module ~ i AngularJS Document shimt> gular minis
sss typ TECHEAL TYOLICATIONS® eeu Rant Ay AaledeWeb Technol jologies 7-37 Introduction to Angular and Web Applications Frameworks City: Step 4: The output can be viewed as Jd:/ModuleDe. Xe € © file///a:/ModuleDer ¢ >» EJ Services “Phe servives are functions or objeets that are intended to carry out specific task, In AngulardS there are 30 builtin services used to carry out variety of tasks, Bullt-In Services Lot us understand the use of services with the help of examples + 1. ‘The Shtp Service “This is» commonly used service in AngulaedS. By using this serviee, the request ean be inde to the server tnd the apptication handles the response, Stop 1: Create a simple web documentas follows + mnsplntntl Well Donett! TECTARGAL PUGLIGATIONS® an up-tuaT ar hnotedgoston to Angular and Web Applications Fra IMOWOrks, Step 2: Now erate web dosumnt shat will make use of SHlp service fo get the message stored in above htm! file and to display the canter AngularJS Document[ServiceDemot.html] .s'angulags/1.3. W/angulat.min js"> Out + is Q x < nSevide e» = Mesege cheered foe a fle ig Well Done!!! | | Riza |Wob Tochnologios 7-39 Introduction to Angular and Web Applications Framework 2. The $timeout Service The Stimeout service is useful to execute certain task after some time interval. Following example displays one message on the browser and after 5 seconds another message will be displayed. AngularJS Document[ServiceDemo2.html]

Message will be changed after 5 seconds

{{message}}

: Output c oa < ISDS i ef ffdySeric ¢ 2.5 Message will be changed after 5 seconds “Welcome User TECHNICAL PUSLICATIONSS «20 mst fy ote1d Web Aopications Frame ERE Aoernons Fromeworks = GB x € c » & Message will be changes after 5 seconds ° Good Bye!!! ‘Creation of Custom Service Bs powsihie te crate our oun seve: The Sovioe is normally created using two sactheds > Lo Rome) 2 Service sng faces seta’ wr ce defines fisted he method that performs specific Sar) sani Seep 2: Lamy secs ential we oa deine he serie anda method is then assigned 10 erence‘Web Technologios 7-41 Introduction to Angular and Web Applications Frameworks Step 3: Then a controller is defined and the scope object and service method is invoked in it. App.controller(MyController, function(Sscope, CalculateService) ( $scope.add = function() { Sscope.result = CalculateService.add(Sscope number1 Sscope.number2); } we The above three steps must be applied within the ‘

Addition of two numbers

Enter first number:

Enter second number:

Output Se x a> $v € © files//a/Servic a: Addition of two numbers | Enter first number: |21 & ADDITION Write a user defined service in AngularJS for reversing the given string. Solution : . Output se ome Qo x npm installl -g create-react-app The installation process will get started. Following screenshot shows it. [eXmom a C:\Users\DELLonpm install -g create-react-app a) | refresh-package-json:create-react-app: [EERUE action: finalize Check if the reactJS is installed or not by checking its version Command Prompt - a (C:\Users\DELL>create-react-app --version 5.2.0 C:\Users\DELL> That all, if it shows some version number then the reactjs is installed. Creating first program We will create a simple ReactJS application in which we will simply display a “Welcome User” message. : Step 1 : Go to the directory in which the first application is to be created. At the command Prompt issue the command D:\reactDemo>create-react-app firstapp TECHNICAL PUBLICATIONS® - an up-nist for knowlodgo aeSON NER ting awe Seat ae Dy shis Nght SG 2 caple of ainetas. ae < IRAN D Laas See Fp Now ore he eine! Ineredieation to A” ular and Wee b Apolications Frameworks —eWeb Technologios 7-81 Introduction to Angular and Web Applications Frameworks BS] Django Django is a high level web application framework written in Python, It allows you to create efficient web applications quickly Features : LY) Open source : Django is an open source web application tmamework. It is available on the internet with no cost, A strong support community is also available for web app developers in Django, 2) Rapid development : Django is designed t help web developers te create the webs applications efticientiy, 2) Excellent documentation : Django has beet best at documentation fiom the beginning, from the point it became open source in 2005 to the present date, So the web developer can search tor desired function in the documentations, lability: Scalability means that at what scope oF level, our technology gets te implement, For bigger websites like tnstagram, where there are lots of active atsers and weal, whiek generate data in huge antounts, Django i 5) Versatile : Django is versatile in nature which allows it to build applications for ditterentaitterent domains. Architecture Django is asad on MYT ie. Mout View and Template design patter, . _~ Q “~ User 7 View T.A32 MNT archectare Model : Diango aggtisssocs ose Python obies called medels wD ex uaad fo ans end manage ders. These mnisls Gofice the smuctur’ of the dina in Se Disngo apptinuion is reggunsttls fhe meisaiining the endire epgticmen’s dima for wh fh proves venice mechenigns to add unions, read and delete che dans ia the Geshe, TESNES ASLEOS a a be =ap yea ee ied Armontnns Fra Wes Inewegien voge Pate snug the ty sees al aint the wed response, Views pal the request CTY View 3 The view fiw anaes and renters thew ot the ser retrieves the mocesary data amerfaee wong eemntates Teamplate | A tenplate The ten: file oan he ny type ot ; Vaed By > Dango nana by Tap MNG and companies sich as Youtube, Instagram, Sprnity, Dagny ERG U1 one Ux The oe UX ate two commonty aed 1 nopethe teens tore UPEX diag 1 file thar defines the trncture oF Rayout cof the user interfee, she, fe exane HTML AML. ote, soo wy web and app design, They are placed ‘What ts Ut? rhe UF stands tor User Interface. The usr ierface is the graphical layout of the applcmes, Ul refen tv the screens, bottom, toggle, toons and other visual elements that you aractect ws sehen using ¢ website, app or other electrons device. domguen are graphic Gougnen They axx convemed with aesthetics. It is up to them to mmcke sete the appliostion’s anterface stractne, visually-stimulating and themed sppeopmiateiy to tnustch the parpose of the app Winst is UX 7 ‘Voc UD stands tor User Experience. ft evolved as « rest of the improvement to the Ul. ‘The user cxpmicnce & Geermincd by how easy or difficult it is to interact with the uset interface cheancots that the UI deviguen have created Yor example - Cooside ax example of Gougle The Gougle page is designed in the most sumplistic matiner The Joous of thy design as the “user”. Gouge Lnows that the user has came te their aele only to gaw the information and they want it quickly. Hence presenting. information straightaway és the ami uf Google web page design. UX designer» concerned wat the cvmceptual aspect of the user interface design process Diflerence between UX anc Ut ie stands fr Uses bnerface design | Users othe gesttic user eleaett> we | | i cts atta wp [we aera wt ‘ap & prvudact a nor | watug w product : UCHOWA: PMIAT ww tect ts ancandyeWeb Technotoyios 7-59 Introduction fo Angular and Web Applications Frameworks ‘| UN design focuses on everything thot | Ut design esa process that mainly fcuses alfcets the user's journey to solve a | on the look and aesthetic of product design problem. } 8 Pee 4 is guided by | tts : ae g | ft rs guided by design best pra S The goal of UX desi x ail is to make the product more With the product that is efficient and easy tou | usable, aesthetically appeating and | optimized in dif erent screen sizes. Tasks carried out by Ul and UX designers Following are the tasks carried out by UI designer ~ 1) Organizing page layout. 2) Choosing the color pallets and tonts. 3) Designing of interactive clements such as scroiters, buttons, tex elds and so on. 4) Implement a visual hierarchy that guides the user on what to do 5) Fills design with visual and interactive elements, Following are the tasks carried out by UN designer = 1) Conduct user research to identity the goals, needs, bebaviour and pain-points involved in user interface, 2) Eliminate unneces ry pages that harmn the overall user experience of your site, 3) Creating user journey maps to analyze how a customer interacts with a product, 4) Building wiretrames and prototypes to direct on what the final product will Look like. 5) Performing user testing to validate design decisions and identity problems. Tools used in Ul and UX Following are commonly used UN UL design tools ~ 1) Sketch Sketch is a tool for efficient and precise UL design. tt includes a set of intuitive vector citing wools, You can easily iferave on your work at any stage of the design process. Sketch includes variable Font support te give you infinite control over typography in your designs. Sketch is available as a Mac app, plus «eb app and Mirror (mobile) apps for | | previewing designs and testing prototypes: TECHNICAL PURRICATIONS® ~ an up-inrust for AnowiedgaGost PEAS ee sasss many valvabe features to Delp your pasiogyping, These include veetor pxtadss many valvabte fest ’ ) 3) pennies mawble components repeat ends suto-animation and content. auras, embed playable videos and create vivid and tnte-todtife Peeps with maT © Ni J give your design sound with voice-enabled You cat eves create Voie commands and ge y ¢ ns far improved usability and personality, UX dogs proces. Pingins crewed specifically for Figma will moke the process of designing a website ga. mstance, there ae plugins for spell cheek, stock photo n sssocisted tool, Figlata, that acts as an online whiteboard f Wath Mane yoo cat create web based apps - Wireftame, design Ul, prototype and test. Mervel ws en online design platform with no leaming curve and no software required. It tudes an accessible libran of templates and addition, you can save 's to take the complexity out of design. In all your Marvel designs in the cloud so that you can open up your work trom any de 5) Flowltepp FlowMapp offers UX tools for products, webs: As FlowMapp’s name supg ests, this tvol is used to flow Uuough the various stages of UX The process ental five steps : Ideatioa snd definition, Web design. You can design exceptional UX for beaut tes and epps with FlewMupp's online collsbonative tools. rescarch, analysis, design, testing and To help you with the first three steps of the process: FlowMapp offers 3 nusmber of UX vols and templates that s, user flows, customer journey, maps sitemaps then finalization, Launch and repeat help create : User persons _ ae TECHNICA PuBLICD aoe, Tes A MUCH onanWeb Technotogins 7-55 Introduction to Angular and Web Applications Frameworks 6) Balsamiq Balsamiq is a Ul design tool that enables users to quickly create these web page sketehes. In addition to la ing down the structure and main components for each page, users can create wireframes based on specific devices and operating systems, using pre-made UI components and icons such as buttons, forms, media and so on. CATE CT 1. What is Django ? Explain the MVT architecture. 2. What is Node,js ? Enlist the features of Nodes. 3. Enlist the features of firebase. Also enlist its limitations 4, What is ReactJS ? Enlist the features of it. 5. Write a simple ReactJS application that displays a welcome user messag 6: What is UUX ? Give the difference between UL and UX. 7. Explain any three UI/UN design tools. Two Marks Questions with Answers Q.1 Enlist any two important features of AngularJs. Ans. . 1. Data binding : It allows the automatic synchronization between model and view components, Scope : There are some objects tiom model that can be correlated to controiter and view. 2 Q.2 Explain the ng-directives of AngularJS. Ans. : 1. ng-app : This directive defines an AngularJS application. aalue of HTML conteols to application data, 2. ng-model : This directive binds the v “These controls ean be input, seleet, textarea and so ot. 3. ngebind : This directive binds application data to HTML view, 3. Which ng directive Is used to Initialize angular data v init dircetive is used for initialization of AngularIS data, Ans. : ‘The ng: Q.4 Whats tho purpose of ng-modol in Angulards application 7 plication data, These controls. setive binds the value of HTML control to 3 The ng-model dire area and so on. Ans. ean be input, select, text Q.5 Explain the concept of routing In AngularJS, TECHNICAL PUBLICATIONS! ‘an upzthnist for knowlodgoWeb Technologies 7-56 Introduction to Angular and Web Applications Frameworks Ans. : outing in web application, refers to the process of determining which content or components to be displayed based on URL. For and ifthe stance, if currently the web page is displaying the home page clicks on the contact us huttan then the contact information is displayed immediately en the same web page. Q.6 What is Single Page Application(SPA) ? What is its significance ? Ans. : Single page application is a web application that operates within a single web page, When a Sc interacts with the page, instead of the entre page reloading. only the necessary parts of the page are pda chronausty ‘The technique of Single Page Application(SPA) improves overall performance of the web ication and reduces the amount of data that needs to be transferred over the network. Q.7 Whatis Firebase 7 Ik is & mobile epplication development platform from Google with powerful features for handling and enhancing epplications. I is basically a backend platform for building web and mobile applications. QE _ Enlist any two limitztions of Firebase. Ans. > 1) Mis not an open source tectnol 2) Itnums only on Google cloud. QS Whetis docker? Ans. : Docker is an open platform for developing. shipping end running applications. Docker cables to separate the applications from your infrastructure so you can deliver software quickly. Using docker, the developers can create, deploy and run applications inside the containers, Q10 Whatis the purpose of docker image 7 Ans. Docker image contains the instructions for creating. docker container Ql What is docker container ? Ans. + Coniuiner is single unit in which the required software and all ils dependencies ar packaged together, This sllows the developers to share or run the software application on aay infrastructure regardless of underlying operating sysem or hardware, Q12 What is docker hub 7 Ans. + Docker hub is public registy Out anyone can use and docker is configured to look for images on dockr bub by default, Youan even ua your on priv te registry. Q.13 Explain the uses of Nodes, ECHUCA PUBLCATION rapa nowledyoWeb Technologies 7-57 Introduction to Angular and Web Applications Frameworks Ans. : It can perform various tasks such as - 1) Itcan create, open, read, delete, write and close files on the server. 2) Itean collect form data, 3) Itcan also add, delete, modify data in databases. 4) It generates dynamic web pages. Q.14 Enlist any two remarkable features of Node, Ans. : 1). Non blocking thread execution : While we are waiting for a response for something during our execution of tasks, we can continue executing the next tasks in the stack. This technique is called as non-blocking thread execution. 2) Efficient : Nodes is built on V8 JavaScript engine and it is very fast in code execution. 3) Open source packages : The node community is enormous and the number of permissive open ication in a much faster manner. source projects available to help in developing your apy 4) No buffering : The Node.js applications never buffer the data. Q.15 Explain briefly, the concept of V8 engine. Ans. : The V8 is the name of the JavaScript engine that powers Google Chrome. It's the thing that takes our JavaScript and executes it while browsing with Chrome. Node,js is built on V8 JavaScript engine and itis very fast in code execution. Q.16 What is Reacts 7 ‘Ans. : ReactJS is an open source, component-based front end JavaScript library maintained by Facebook. This library is responsible only for the view layer of the application. That means this JavaScript is for building user interfaces. Q.17 What is Django ? ‘Ans. : Django is a high level web application framework written in Python. It allows you to create efficient web applications quickly. Q.18 What is Figma ? ‘Ans. + Figma is a multipurpose web/desktop/and mobile solution that is used for the entire UL and UX design process. | Q00 TECHNICAL PUBLICATIONS® - an up-ihrust for knowedge

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