JavaScript substring() Method
 JavaScript String Object
Definition and Usage
The substring() method extracts the characters in a string between two specified indices,
and returns a new string.
Syntax
| stringObject.substring(indexA,indexB) |
| Parameter |
Description |
| indexA |
Required. Where to start the extraction. Must be a numeric
value. Starts at 0 |
| indexB |
Optional. Where to stop the extraction. Must be a numeric
value. If omitted, substring() extracts to the end of the string |
Example
Example
Extract some characters from a string:
<script type="text/javascript">
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:
Try it yourself »
|
JavaScript String Object
The Altova MissionKit is an integrated suite of tools ideal for:
- XML development
- Web & Web services development
- Data mapping & integration
- Rendering & publishing XML & database data
- XBRL validation, taxonomy editing, transformation & rendering
The MissionKit for XML Developers includes XMLSpy® - the industry-leading XML editor; MapForce® - a
graphical data mapping, conversion, and integration tool; StyleVision® - a visual XSLT stylesheet designer;
DiffDog® - an XML-aware diff/merge tool; and 2 additional tools.
Try all 6 products free for 30 days!
Download a fully-functional free trial
|
|
|
|
