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 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 modern ES6 syntax.
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 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 add an item to an array in JavaScript
Learn how to add items to JavaScript arrays using push(), unshift(), and splice() methods with practical examples and best practices.
