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JavaScript slice() method

String Object Reference JavaScript String Object

Definition and Usage

The slice() method extracts a part of a string and returns the extracted part in a new string. Otherwise it returns -1.

Syntax

stringObject.slice(begin,end)

Parameter Description
begin Required. Where to begin the extraction. Must be a number. Starts at 0
end Optional. Where to end the extraction. If omitted, slice() selects all characters from the begin position to the end of the string

Tips and Notes

Tip: You can use a negative numbers to select from the end of a string.

Example

Example

Extract different parts of a string:

<script type="text/javascript">

var str="Hello happy world!";

// extract all characters, start at position 0:
document.write(str.slice(0)+"<br />");

// extract all characters, start at position 6:
document.write(str.slice(6)+"<br />");

// extract from the end of the string, and to position -6:
document.write(str.slice(-6)+"<br />");

// extract only the first character:
document.write(str.slice(0,1)+"<br />");

// extract the characters from position 6 to position 11:
document.write(str.slice(6,11)+"<br />");

</script>

The output of the code above will be:

Hello happy world!
happy world!
world!
H
happy

Try it yourself »

String Object Reference JavaScript String Object

From http://www.w3schools.com (Copyright Refsnes Data)