JavaScript Array length Property
Below is the example of the Array length property.
- Example: This example returns the length of array.
<!DOCTYPE html><html><head><title>JavaScript Array length Property</title><style>body {text-align: center;}h1 {color: green;}</style></head><body><h1>GeeksforGeeks</h1><h2>JavaScript Array length Property</h2><buttononclick="array()">Click Here!</button><pid="gfg"></p><!-- Script to return the length of array --><script>function array() {var colors = ["green", "blue", "red","yellow", "black", "white" ];document.getElementById("gfg").innerHTML= colors.length;}</script></body></html> - Output:
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 array.
array.length
Return Value: It returns a numerical value, denoting the number of elements in the array object.
More example codes for the above property are as follows:
Program 1:
<script type = "text/javascript"> var arr = new Array( "Geeks", "for", "Geeks"); document.write("arr.length:" + arr.length); </script> |
Output:
arr.length:3
Program 1:
<script type = "text/javascript"> var arr = new Array( 5, 10, 15); document.write("arr.length:" + arr.length); </script> |
Output:
arr.length:3
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
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