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JavaScript Array join() Method

JavaScript Array join() Method with example, javascript array methods, concat() method, every() method, filter() method, forEach() method, join() method, indexOf() method, lastIndexOf() method, map() method, push() method, slice() method, sort() method, unshift() method, toSource() method etc.

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JavaScript Array join() method

The JavaScript array join() method combines all the elements of an array into a string and return a new string. We can use any type of separators to separate given array elements.

Syntax

The join() method is represented by the following syntax:

array.join(separator)

Parameter

Separator() - It is optional. It represent the separator used between array elements.

Return

A new string contains the array values with specified separator.

JavaScript Array join() method example

Let's see some examples of join() method.

Example 1

Let's see a simple example of join() method.

<script>
var arr=["AngularJs","Node.js","JQuery"]
var result=arr.join()
document.write(result);
</script>
Test it Now

Output:

AngularJs,Node.js,JQuery

Example 2

In this example, we will separate the array elements using '-' separator.

<script>
var arr=["AngularJs","Node.js","JQuery"]
var result=arr.join('-')
document.write(result);
</script>
Test it Now

Output:

AngularJs-Node.js-JQuery

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