JavaScript String split() Method
Example
Split a string into an array of substrings:
var str = "How are you doing today?";
var res = str.split(" ");
The result of res will be an array with the values:
How,are,you,doing,today?
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More "Try it Yourself" examples below.
Definition and Usage
The split() method is used to split a string into an array of substrings, and returns the new array.
Tip: If an empty string ("") is used as the separator, the string is split between each character.
Note: The split() method does not change the original string.
Browser Support
| Method | |||||
|---|---|---|---|---|---|
| split() | Yes | Yes | Yes | Yes | Yes |
Syntax
string.split(separator,limit)
Parameter Values
| Parameter | Description |
|---|---|
| separator | Optional. Specifies the character, or the regular expression, to use for splitting the string. If omitted, the entire string will be returned (an array with only one item) |
| limit | Optional. An integer that specifies the number of splits, items after the split limit will not be included in the array |
Technical Details
| Return Value: | An Array, containing the splitted values |
|---|---|
| JavaScript Version: | 1.1 |
More Examples
Example
Omit the separator parameter:
var str = "How are you doing today?";
var res = str.split();
The result of res will be an array with only one value:
How are you doing today?
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Example
Separate each charater, including white-space:
var str = "How are you doing today?";
var res = str.split("");
The result of res will be an array with the values:
H,o,w, ,a,r,e, ,y,o,u, ,d,o,i,n,g, ,t,o,d,a,y,?
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Example
Use the limit parameter:
var str = "How are you doing today?";
var res = str.split(" ",3);
The result of res will be an array with only 3 values:
How,are,you
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Example
Use a letter as a separator:
var str = "How are you doing today?";
var res = str.split("o");
The result of res will be an array with the values:
H,w are y,u d,ing t,day?
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JavaScript String Reference
