The array length property in JavaScript is used to set or return the number of elements in an array.
Syntax: It is used to set the array length.
array.length = number
It returns the length of the array.
array.length
Return Value: It returns a numerical value, denoting the number of elements in the array object
Below is an example of the Array length property.
Example: This example returns the length of the array.
Javascript
function array() { let colors = ["green", "blue", "red", "yellow", "black", "white"]; console.log(colors.length);}array(); |
6
More example codes for the above property are as follows:
Example 1:
Javascript
let arr = new Array("Geeks", "for", "Geeks");console.log("arr.length:" + arr.length); |
Output:
arr.length:3
Example 2:
Javascript
let arr = new Array(5, 10, 15);console.log("arr.length:" + arr.length); |
Output:
arr.length:3
We have a complete list of Javascript Array methods, to check those please go through this Javascript Array Complete reference article.
Supported Browsers: The browser supported by JavaScript array length property are listed below:
- Google Chrome 1 above
- Edge 12 and above
- Firefox 1 and above
- Internet Explorer 4 and above
- Opera 4 and above
- Safari 1 and above
We have a Cheat Sheet on Javascript where we covered all the important topics of Javascript to check those please go through Javascript Cheat Sheet-A Basic guide to JavaScript.
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