How to build a design system in React
Learn how to build a scalable design system in React using design tokens, Context API, and atomic components for consistent UI development.
How to create a theme provider in React
Learn how to build a robust, scalable theme provider in React using the Context API to manage global styles and dark mode support efficiently.
How to create reusable form components in React
Learn how to build a scalable and maintainable form system in React by creating reusable components for inputs, selects, and validation logic.
How to type forwardRef in React with TypeScript
Learn how to correctly type React.forwardRef using TypeScript generics to ensure type safety for refs and props in your components.
How to use generics in React components
Learn how to implement TypeScript generics in React components to create reusable, type-safe UI elements with expert patterns from CoreUI.
How to sort an array in JavaScript
Use the sort() method to arrange array elements in ascending or descending order with custom comparison functions.
How to reverse an array in JavaScript
Use the reverse() method to flip the order of elements in a JavaScript array from last to first position.
How to remove duplicates from an array in JavaScript
Use Set with spread syntax to efficiently remove duplicate values from a JavaScript array with modern ES6 syntax.
How to flatten a nested array in JavaScript
Use the flat() method to convert nested arrays into a single-level array with modern ES2019 syntax in JavaScript.
How to filter an array in JavaScript
Use the filter() method to create a new array with elements that pass a test condition in JavaScript.
How to type context in React with TypeScript
Learn how to type React Context with TypeScript using interfaces, createContext generics, and custom hooks for robust, type-safe state management.
How to type custom hooks in React with TypeScript
Learn how to properly type custom hooks in React using TypeScript generics, return types, and const assertions for maximum type safety.
How to type events in React with TypeScript
Learn how to properly type mouse, change, form, and keyboard events in React using TypeScript generics for robust type safety and IDE support.
How to type refs in React with TypeScript
Learn how to properly type React refs using TypeScript generics to ensure type safety and avoid null-pointer exceptions in your components.
How to type state in React with TypeScript
Master the art of typing React state with TypeScript using inference, generics, and interfaces for safer and more predictable applications.
How to merge two arrays in JavaScript
Use the spread operator to efficiently merge two JavaScript arrays into a single array with modern ES6 syntax.
How to get the length of an array in JavaScript
Use the length property to get the number of elements in a JavaScript array with a simple and efficient approach.
How to find the index of an element in an array in JavaScript
Use the indexOf() method to efficiently find the position of an element in a JavaScript array and get its index.
How to empty an array in JavaScript
Set the length property to 0 to efficiently empty a JavaScript array while maintaining all existing references.
How to clone an array in JavaScript
Use the spread operator to create a shallow copy of a JavaScript array without mutating the original array.
How to migrate a React app to TypeScript
Learn the most efficient way to migrate your React application to TypeScript using a gradual, production-ready strategy that maintains project stability.
How to type props in React with TypeScript
Learn the most efficient way to type React props using TypeScript interfaces for better type safety, autocompletion, and maintainable code.
How to use async/await in React data fetching
Master asynchronous data fetching in React using async/await within useEffect hooks and event handlers for clean, performant, and readable code.
How to use Recoil in React
Learn how to implement Recoil for state management in React, from setting up RecoilRoot to using atoms and selectors for efficient data flow.
How to use TypeScript with React hooks
Learn how to master TypeScript with React hooks by using generics and explicit type definitions for useState, useRef, useReducer, and more for type-safe code.
How to remove the last item from an array in JavaScript
Use the pop() method to efficiently remove the last element from a JavaScript array and return the removed value.
How to remove the first item from an array in JavaScript
Use the shift() method to efficiently remove the first element from a JavaScript array and get the removed value back.
How to remove a specific item from an array in JavaScript
Use splice() with indexOf() to efficiently remove a specific element from a JavaScript array by value or index.
How to check if an array contains a value in JavaScript
Use the includes() method to efficiently check if a JavaScript array contains a specific value with clean, modern syntax.
How to add an item to an array in JavaScript
Learn how to add items to a JavaScript array using push() with practical examples covering single values, multiple items, objects, and conditional additions.