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help with getElementBy and a form value


tqla

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I need to change the value in the code below (marked THIS VALUE). Can someone tell me how to use "getElementBy" to access it? Or is there a better way? I know how to use "getElementByID/Class/etc" but how do I reach into the ID pp, then form, then value? I'm using jquery.

 

    <div id="pp">
<form action="url" method="post">
   <input type="hidden" name="amount" value="THIS VALUE">
</form>
    </div>

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I don't use JQuery, but all you need to do is give the element an ID, then change the value accordingly

 

    <div id="pp">
        <form action="url" method="post">
            <input type="hidden" name="amount" id="amount" value="THIS VALUE">
        </form>
    </div>

 

Then have some javascript code that is triggered through some event to change the value

document.getElementById('amount').value = "NEW VALUE";

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