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javascript join() method

Chinese translationRecent Updates：2019-02-13 14:09:23

UK[dʒɔɪn] US[dʒɔɪn]

vt.& vi.Join; participate; connect; connect

vt.Participate; combine; get on (train, plane, etc.); get on (Road)

n. connection; combination; joint; joint point

Third person singular: joins Present participle: joining Past tense: joined Past participle: joined

javascript join() method Video explanation

javascript join() method syntax

How to use join() method?

The join() method in JavaScript can be used to put all elements in an array separated by the specified delimiter into a string.

Function: Used to put all the elements in the array into a string. Elements are separated by the specified delimiter.

Syntax: arrayObject.join(separator)

Parameters: separator Optional. Specify the delimiter to use. If this parameter is omitted, a comma is used as the delimiter.

Return: Returns a string. The string is generated by converting each element of the arrayObject to a string and then concatenating the strings, inserting the separator string between the two elements.

javascript join() method example

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script type="text/javascript">

    var arr = new Array(3)
    arr[0] = "George"
    arr[1] = "John"
    arr[2] = "Thomas"

    document.write(arr.join())

</script>
</body>
</html>

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