How to replace all occurrences in a string in JavaScript
Use replaceAll() method to efficiently replace every instance of a substring in JavaScript with modern ES2021 syntax.
How to convert a string to an array in JavaScript
Use the split() method to convert a string into an array of characters or words in JavaScript efficiently.
How to check if a string contains a substring in JavaScript
Use the includes() method to efficiently check if a string contains a specific substring with modern ES6 syntax.
How to capitalize the first letter of a string in JavaScript
Use charAt(0).toUpperCase() plus slice(1) to capitalize the first character of a string in JavaScript efficiently.
How to consume private npm packages in React
Learn how to securely authenticate and consume private npm packages in your React applications using .npmrc files and environment variables.
How to document components in React
Learn the professional way to document React components using JSDoc, TypeScript, and Storybook to improve maintainability and team collaboration.
How to publish a React component to npm
Learn how to bundle and publish a React component to npm using Rollup and Babel to create a high-quality, reusable library.
How to use Storybook in React
Learn how to set up and use Storybook in React to build, document, and test UI components in isolation with this expert guide from the creator of CoreUI.
How to version React components
Learn the professional way to version React components using Semantic Versioning (SemVer), directory structures, and automated release tools like Changesets.
How to shuffle an array in JavaScript
Use the Fisher-Yates shuffle algorithm to randomly reorder array elements efficiently and uniformly in JavaScript.
How to get the last element of an array in JavaScript
Use array index notation with length-1 to access the last element of a JavaScript array reliably and efficiently.
How to get the first element of an array in JavaScript
Use array index notation [0] to access the first element of a JavaScript array with simple and direct syntax.
How to find the minimum value in an array in JavaScript
Use Math.min with spread operator to efficiently find the smallest number in a JavaScript array with modern syntax.
How to find the maximum value in an array in JavaScript
Use Math.max with spread operator to efficiently find the largest number in a JavaScript array with modern syntax.
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.
