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JavaScript toString() Method: Array Object

Description

The toString() method is used to convert an array and its elements separated by commas to a string.

Version

Implemented in JavaScript 1.1

Syntax

toString()

Parameters

None.

Example:

In the following web document toString() method returns all the array elements to a string.

HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf8" />
<title>JavaScript toString() method example</title>
<style type="text/css">
h1 {color:red}
</style>
</head>
<body>
<h1>JavaScript : tostring() method</h1>
<hr>
<script src="array-tostring-example1.js"></script>
</body>
</html>

JS Code

var reExp = RegExp("fox");
var newParagraph = document.createElement("p"); 
var newText = document.createTextNode(reExp.toString());	
newParagraph.appendChild(newText); 
document.body.appendChild(newParagraph);

View the example in the browser

Practice the example online

See the Pen javascript-common-editor by w3resource (@w3resource) on CodePen.


See also:

JavaScript Core objects, methods, properties.

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JavaScript: Tips of the Day

Returns true if the given number is a power of 2, false otherwise

Example:

const tips_isPowerOfTwo = n => !!n && (n & (n - 1)) == 0;
console.log(tips_isPowerOfTwo(0)); 
console.log(tips_isPowerOfTwo(4));
console.log(tips_isPowerOfTwo(16));

Output:

false
true
true