JavaScript Array join() Method
The JavaScript Array join() Method is used to join the elements of an array into a string. The elements of the string will be separated by a specified separator and its default value is a comma(, ).
Syntax:
array.join(separator)
Parameters: This method accepts a single parameter as mentioned above and described below:
- separator: It is Optional i.e, it can be either used as a parameter or not. Its default value is a comma(, ).
Example 1: In this example, the function join() joins together the elements of the array into a string using ‘|’.
JavaScript
function func() { var a = [ 1, 2, 3, 4, 5, 6 ]; console.log(a.join('|'));}func(); |
Output:
1|2|3|4|5|6
Example 2: In this example, the function join() joins together the elements of the array into a string using ‘, ‘ since it is the default value.
Javascript
var a = [1, 2, 3, 4, 5, 6];console.log(a.join()); |
1,2,3,4,5,6
Example 3: In this example, the function join() joins together the elements of the array into a string using ‘ ‘ (empty string).
Javascript
var a = [1, 2, 3, 4, 5, 6];console.log(a.join('')); |
Output:
123456
We have a complete list of Javascript Array methods, to check those please go through this Javascript Array Complete reference article.
Supported Browsers: The browsers supported by JavaScript Array join() method are listed below:
- Google Chrome 1.0 and above
- Microsoft Edge 12 and above
- Mozilla Firefox 1.0
- Safari 1 and above
- Opera 4 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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