Include the oct.js file in your HTML.

https://github.com/younglaker/octjs/tree/master/doc

• .addEvent() Add event.
• .add() Add id or class in a object.
• Array.contain() Test for value in Javascript Array.
• Mouse Events click, hover and so on
• .getCss() Get the value of style properties for the element.
• .getAttr() Get the value of attribute properties for the element.
• .has() Select the object which has the specifical id, class or tag.
• .hasAttr() Judge the element whether has the attribute property.
• .height() Get or set height.
• .html() Read and insert content.
• Number.int() Get integer part of Number.
• Obj.method() Extend method of basic types of objects.
• Oct.ajax() Perform an asynchronous HTTP (Ajax) request.
• Oct.browswer() Return the current browser name and version. Mainly chrome, firefox, etc.
• Oct.cookie.read() Read cookies value by item name.
• Oct.cookie.remove() Remove cookies by cookie item name.
• Oct.cookie.set() Set cookies.
• Oct.extend() Extend method of Oct object.
• Oct.global.namespace() Creat namespace.
• Oct.hexToRgb() Exchange HEX color to RGB color.
• Oct.ieVerion() Test ie version.
• Oct.inheFn() Inherit construct function. It should write inside the son class.
• Oct.inhePro() Inherit prototype. It should write before the son class.
• Oct.isArray() Check whether an element is an array.
• Oct.isEmpty() Check whether a string is empty.
• Oct.localStorage.read() Read localStorage value by item name.
• Oct.localStorage.remove() Remove localStorages by localStorage item name.
• Oct.localStorage.set() Set localStorages.
• Oct.matrix() Create one or two- dimensional array.
• O() or Oct() Create an Oct collection object by performing a CSS selector, wrapping DOM nodes, or creating elements from an HTML string.
• Oct.mergeSort() Sort the Array through merge algorithm.
• Oct.randomNum() Generate random number in specific range.
• Oct.rgbToHexr() Exchange RGB color to HEX color.
• Oct.sort.fn() Some sort method for javascript sort() function.
• Oct.stopBubble() Cancle event bubbling.
• Oct.tag() Create tag.
• Oct.trim() Delete the space in the first and end of a string.
• .parent() Get the first level of child nodes.
• .remove() Remove id, class or tag in an object.
• .removeAttr() Remove the attribute.
• .setCss() Set css property.
• .setAttr() Set attribute property.
• .setOpacity() Set opacity.
• .son() Get the first level of child nodes.
• String.lengthdb() Count the double bytes words.
• .width() Get or set width.

How to write a JavaScript library http://laker.me/blog/2015/03/15/15_0315_octjs_1/

• Function animation
• Function document.ready
• Homepage and documentes
• Funtion children
• Function parents
• Expand on() by event bubble to bind event dynamically