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Editorial Team
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Asked: 2026-06-02T23:17:47+00:00

I would like to print the first link in the page with JavaScript. But

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I would like to print the first link in the page with JavaScript. But when I use the following code, it doesn’t work:

<html>
    <head><title></title></head>
    <body>
        <a id="mylink" href="http://google.com">Google</a><br />
        <script>            
            a=$('mylink').href;
            document.write(document.links[0]);                  
        </script>
    </body>
</html>

Then I commented out the code “a=$('mylink').href“, it suddenly worked, why? How come the varable a has any influence on the next statement?

Any answers are appreciated.

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1 Answer

  1. Editorial Team

    There’s a few possibilities:

    1. The object $ is not defined and caused a JavaScript error preventing your 2nd statement to execute
    2. The $ object does not know what to do with the string passed in and errors
    3. The returned value from $ does not have a value (ie – it returns undefined) which wont have a property href, causing a JavaScript error
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