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Editorial Team
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Asked: 2026-05-24T19:38:02+00:00

The HTML form shows but the javascript callback is not executing. (and how do

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The HTML form shows but the javascript callback is not executing.
(and how do I combine into one file?)

thx

<html>
<head>
<title> Mouse click test</title>
</head>
<body>
<h1>Mouse Click Test</h1>
<p>Click the mouse on the test link below. A message below will indicate which button was clicked.</p>
<h2><a href = "#" id = "testlink">Test Link</a></h2>
<form name = "form1">
<textarea rows = "10" cols = "70" name = "info"></textarea>
</form>
<script  type = "text/javascript" scr = "click.js">
</script>
</body>
</html>

function mousestatus(e){
    document.write("hello");
    if (!e) e = window.event;
    btn = e.button;
    whichone = (btn < 2) ? "Left" : "Right";
    message = e.type + " : " + whichone + "\n";
    document.form1.info.value += message;
}  
obj = document.getElementById("testlink");
obj.onmousedown = mousestatus;
obj.onmouseup = mousestatus;
obj.onclick = mousestatus;
obj.ondblclick = mousestatus;
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1 Answer

  1. Editorial Team

    The attribute for the <script> tag is src, not scr. This:

    <script  type = "text/javascript" scr = "click.js">

    Should be:

    <script type="text/javascript" src="click.js">

    And get rid of the document.write call, document.write will:

    Writing to a document that has already loaded without calling document.open() will automatically perform a document.open call.

    And document.open:

    If a document exists in the target, this method clears it.

    So calling document.write anywhere except inside an inline <script> will erase everything before inserting your new stuff; about the only time you should use document.write is in things like this:

    <p>Where is <script type="text/javascript">document.write('pancakes')</script> house?</p>

    You’d usually use console.log('...') or console.debug('...') for quick debug messages (assuming that you’re using a browser with a console and you have the console open).

    Once you take care of those issues, you should have something that does more interesting things than throw errors (or nothing at all): http://jsfiddle.net/ambiguous/5kHVy/

    You might want to read up the newer event handling interfaces (such as addEventListener).

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