JavaScript Split Function

Split()

The JavaScript Split function is one of the JavaScript String function, which is used to split the original string into array of substring based on the separator we specified and returns them in an array. Split() function will accept two arguments, first argument is the separator you want to use and the second integer value is used to restrict the output. In this article we will show you, How to write Split() Function in JavaScript Programming Language with example.

NOTE: The Split() function in JavaScript will not alter the original string.

JavaScript Split Syntax

The basic syntax of the Split() function in JavaScript Programming Language is as shown below:

1	String_Object.split(Separator, limit)

String_Object: Please specify the valid string on which you want to perform Splitting.
Separator: Please specify the separator (such as empty space, ‘,’or ‘.’) you want to use. It can be string literal or JavaScript Regular Expression.
Limit: Please specify the integer number. This argument will restrict the number of elements written by the array.

NOTE:

If you omit the first argument then, Split() function will split each and every individual character and assign them to array.
If you omit the second index then, Split() function will start from the beginning and continue till end.

JavaScript Split Function Example

The following set of examples will help you understand the Split() function in JavaScript Programming Language.

JAVASCRIPT CODE

<!DOCTYPE html>

<html>

<head>

<title> Split JavaScript </title>

</head>

<body>

<h1> JavaScript Split Function </h1>

var Str1 = "We are Abc working in abc company since abc years";

var Str2 = Str1.split("");

var Str3 = Str1.split(" ");

var Str4 = Str1.split(" ", 4);

var Str5 = Str1.split(/abc/i);

var Str6 = Str1.split(/abc/i, 2);

document.write(Str2 + "<br \>");

document.write(Str3 + "<br \>");

document.write(Str4 + "<br \>");

document.write(Str5 + "<br \>");

document.write(Str6 + "<br \>");

</script>

</body>

</html>

OUTPUT

ANALYSIS

First we declared the String variable Str1 and assigned corresponding value using following statement

1	var Str1 = "We are Abc working in abc company since abc years";

Following statement will split the original string into individual characters

1	var Str2 = Str1.split("");

Next, We used the empty space as separator for the Split() function so, following statement will split the original string into array of words based on white space

1	var Str3 = Str1.split(" ");

Next, We used the second argument to restrict the array output to four.

1	var Str4 = Str1.split(" ", 4);

Next, We used substring “abc” as separator for the Split() function. Here i is the regular expression to perform case insensitive search

1	var Str5 = Str1.split(/abc/i);

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Split()

JavaScript Split Syntax

JavaScript Split Function Example

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