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JavaScript substring() Method
JavaScript String Object
Definition and Usage
The substring() method extracts the characters from a string, between two specified indices, and returns the new sub string.
This method extracts the characters in a string between "from" and "to", not including "to" itself.
Syntax
string.substring(from, to)
| Parameter | Description |
|---|---|
| from | Required. The index where to start the extraction. First character is at index 0 |
| to | Optional. The index where to stop the extraction. If omitted, it extracts the rest of the string |
Browser Support
The substring() method is supported in all major browsers.
Example
Example
Extract characters from a string:
<script>
var str="Hello world!";
document.write(str.substring(3)+"<br>");
document.write(str.substring(3,7));
</script>
var str="Hello world!";
document.write(str.substring(3)+"<br>");
document.write(str.substring(3,7));
</script>
The output of the code above will be:
lo world!
lo w
lo w
Try it yourself »
JavaScript String Object
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