How would I change the content of a
I want to make it empty.
If you can use jQuery, and I highly recommend you do, you would simply do
Otherwise, it is browser dependent. Assuming you have
var myTextArea = document.getElementById('myTextArea');
In most browsers you do
myTextArea.innerHTML = '';
But in Firefox, you do
myTextArea.innerText = '';
Figuring out what browser the user is using is left as an exercise for the reader. Unless you use jQuery, of course ;)
Edit: I take that back. Looks like support for .innerHTML on textarea's has improved. I tested in Chrome, Firefox and Internet Explorer, all of them cleared the textarea correctly.
Edit 2: And I just checked, if you use .val('') in jQuery, it just sets the .value property for textarea's. So .value should be fine.
Although many correct answers have already been given, the classical (read non-DOM) approach would be like this:
document.forms['yourform']['yourtextarea'].value = 'yourvalue';
where in the HTML your textarea is nested somewhere in a form like this:
<form name="yourform"> <textarea name="yourtextarea" rows="10" cols="60"></textarea> </form>
And as it happens, that would work with Netscape Navigator 4 and Internet Explorer 3 too. And, not unimportant, Internet Explorer on mobile devices.
If its Jquery ..
document.getElementById('myText').value = '';
put the textarea to a form, naming them, and just use the dom objects easily, like this:
<body onload="form1.box.value = 'Welcome!'"> <form name="form1"> <textarea name="box"></textarea> </form> </body>
document.getElementById('myTextarea').value = '';
or like this in jQuery:
Where you have
<textarea id="myTextarea" name="something">This text gets removed</textarea>
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