LinuxQuestions.org - embedding javascript in url

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mohit dhawan

04-06-2006 03:06 PM

embedding javascript in url

actully what i need to do is select particular options in a page through url;

ie for eg: if ther is a checkbox,, if i click on a particular link it shud be selected can anyone help me witht the script,.

Thank you.

toreric

04-06-2006 04:02 PM

Your question is impossible to understand, please be clear. Are you trying to design a web page having checkboxes (for what purpose)? If so, how is Javascript involved?

mohit dhawan

04-06-2006 04:13 PM

I mean I need not have to explicityly have to click on the check box, to select it.

better example;

u have a certain multiple choice question on ur webpage and chkboxes to mark the answers.
now i want to select the particular checkbox by entering javascript in the adress bar(ie i write the javascript wher we type the url)
and the appropriate checkbox gets selected.

thst the best I can Explain.

thank you.

toreric

04-06-2006 04:22 PM

Cannot imagine how that would be possible! You should check the box with a mouse click, or use the tab key to move to the check box (if you haven't got a mouse) and then check it using the space bar or so. Is this, by the way, a LinuxQuestions topic?

nickj6282

04-06-2006 04:25 PM

This almost works in FF and works even less well in IE when I tried it (but it does sort of work):

Code:

javascript:document.getElementById('checkbox').checked=true;

try it and see if it works for you.

But if you want to pass variables to a page through a GET request (in the URL) then you're going to need to use some kind of server-side language (like PHP) to output the correct Javascript code to your webpage. Or better yet, just have it write out the checkbox data with the value="checked" option.

-Nick

astorm

04-06-2006 04:28 PM

Code:

<html>

<head>

<script language="Javascript">

function checkIt()

{

  document.getElementById("check").click();

}

</script>

</head>

<body>

<input type="checkbox" name="check" id="check" value="Checkbox">

<input type="button" value="Check it!" onClick=checkIt()>

</body>

</html>

Works on Firefox 1.5.

nickj6282

04-06-2006 11:41 PM

Awesome. Works from the address bar too.

95se	04-07-2006 10:41 AM

Here is a more general solution, then when it loads the page, it will be clicked if the address is like, http://www.somesite.com/page/asdf.html?checkthebox=1

Code:

<script>

window.location.href.match(/(^[^\?]+\?)(.*)$/);



params = RegExp.$2.split(/\&/);

for(var i = 0; i < params.length; i++) {

        var tmp = params[i].split(/\=/);

        params[i] = [tmp[0], tmp[1]];

}



for(var i = 0; i < params.length; i++) {

        if(params[i][0] == "checkthebox" && params[i][1] == "1")

                document.getElementById('checkbox').checked=true;



}

</script>

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