How to use Array.length In Javascript
The array length property in JavaScript is used to set or return the number of elements in an array.
Syntax:
array.length
Example: myArray.length returns the current length of the array. By setting myArray.length = myArray.length - 1, you effectively remove the last item from the array.
let myArray = [1, 2, 3, 4, 5];
// Use the length property to remove the last item
myArray.length = myArray.length - 1;
console.log(myArray); // Output: [1, 2, 3, 4]
Output
[ 1, 2, 3, 4 ]
Remove the last Item From an Array in JavaScript
Removing the last item from an array in JavaScript is a fundamental operation often encountered in array manipulation tasks. It involves eliminating the last element of an array, which can be useful for dynamically adjusting array contents based on various conditions or requirements within a program.
Methods to Remove the Last Element from an Array:
Table of Content
- Using Array splice() Method
- Using Array slice() Method
- Using Array pop() Method
- Using array.reduce() Method
- Using Array.length
- Using Array.filter() Method