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Tip of the Day
Language: Dynamic Content
Expertise: Beginner
Jun 26, 2000

Accessing Parameter from HTTP-Request

Question:

I want to attach a parameter to a URL like this, "url?name=value", and use the parameter on the HTML page. Is this possible?

Answer:

Yes; you can do this by using the following code:

paramVals = ""
if (document.URL) {
    callingURL = document.URL
    hookPos = callingURL.indexOf("?")
    if (hookPos != -1) {
        paramVals = callingURL.substring(hookPos+1,callingURL.length)
    }
}
At the end of this, you'll have a variable called paramVals that contains everything in the URL after the "?". You can then just look at that to get the values that you passed the page.
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