Set Value of Input Using Javascript Function

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I’m currently using a YUI gadget. I also do have a Javascript function to validate the output that comes from the div that YUI draws for me:

Event.on("addGadgetUrl", "click", function(){
    var url = Dom.get("gadget_url").value;  /* line x ------>*/
    if (url == "") {
        error.innerHTML = "<p> error" /></p>";
    } else {
        /* line y ---> */ 
        /*  I need to add some code in here to set the value of "gadget_url" by "" */
    }
}, null, true);

Here is my div:

<div>
<p>URL</p>
<input type="text" name="gadget_url" id="gadget_url" style="width: 350px;" class="input"/>
<input type="button" id="addGadgetUrl" value="add gadget"/>
<br>
<span id="error"></span>
</div>

As you can see my question is, how can I set the value of gadget_url to be ""?

7 Answers
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