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JavaScript substring() Method
 Complete String Object Reference
Definition and Usage
The substring() method extracts the characters in a string between two
specified indices.
Syntax
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stringObject.substring(start,stop)
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| Parameter |
Description |
| start |
Required. Where to start the extraction. Must be a numeric
value |
| stop |
Optional. Where to stop the extraction. Must be a numeric
value |
Tips and Notes
Note: The start index starts at 0.
Note: If the stop parameter is omitted, this method extracts to the
end of the string.
Example 1
In this example we will use substring() to extract some characters from a string:
<script type="text/javascript">
var str="Hello world!";
document.write(str.substring(3));
</script>
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The output of the code above will be:
Example 2
In this example we will use substring() to extract some characters from a string:
<script type="text/javascript">
var str="Hello world!";
document.write(str.substring(3,7));
</script>
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The output of the code above will be:
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Complete String Object Reference
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