Availability: |
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Property/method value type: | Number primitive | ||||||||
JavaScript syntax: | - | myString.indexOf(aSearchString) | |||||||
- | myString.indexOf(aSearchString, aPosition) | ||||||||
Argument list: | aPosition | An optional valid character position within the string to indicate the search start | |||||||
aSearchString | A string to search for within the String object |
Returns a value indicating the location of the search string within the receiving String object.
If the search string is not found, the value -1 is returned.
You can indicate a starting position within the target string and if that argument is missing, the whole string will be searched. The same happens if you put the value 0 into the second parameter.
<HTML> <HEAD> </HEAD> <BODY> <SCRIPT> myString = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; myIndex = myString.indexOf("MN"); document.write(myString.substr(myIndex)); </SCRIPT> </BODY> </HTML>
See also: | String.prototype |
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JavaScript Programmer's Reference, Cliff Wootton Wrox Press (www.wrox.com) Join the Wrox JavaScript forum at p2p.wrox.com Please report problems to support@wrox.com © 2001 Wrox Press. All Rights Reserved. Terms and conditions. |