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Javascript String - slice() Method


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Description:

This method extracts a section of a string and returns a new string.

Syntax:

string.slice( beginslice [, endSlice] );

Here is the detail of parameters:

  • beginSlice : The zero-based index at which to begin extraction.

  • endSlice : The zero-based index at which to end extraction. If omitted, slice extracts to the end of the string.

Note: As a negative index, endSlice indicates an offset from the end of the string. string.slice(2,-1) extracts the third character through the second to last character in the string.

Return Value:

  • If successful, slice returns the index of the regular expression inside the string. Otherwise, it returns -1.

Example:

<html>
<head>
<title>JavaScript String slice() Method</title>
</head>
<body>
<script type="text/javascript">

var str = "Apples are round, and apples are juicy.";

var sliced = str.slice(3, -2);

document.write( sliced );

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

This will produce following result:

les are round, and apples are juic

To understand it in better way you can Try it yourself.



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