how to disable a control in javascript

Question

document.getElementById("ctrl").disabled = true;

this works in IE but does not works in mozila. What shoul I do?

What type of DOM element is ctrl? Can you post some HTML to go with your JavaScript? — Dave Anderson
– Dave Anderson, Commented Oct 20, 2010 at 11:28

Mic · Accepted Answer · 2010-10-20 11:26:56Z

20

Did you try:

document.getElementById("ctrl").setAttribute('disabled', true);

answered Oct 20, 2010 at 11:26

Mic

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2 Comments

Eric Over a year ago

Why does this work better than using .disabled = true?

Mic Over a year ago

This question is from 2010. Mozilla have implemented the direct .disabled since then.

Massaoui · Accepted Answer · 2013-12-22 12:44:09Z

3

<body>
    <input id="btnSubmit" type="button" value="submit" onclick="disabled(this);"/>
    <script>
        function disabled(ctrl) {
            ctrl.disabled = true;
        }
    </script>
</body>

edited Dec 22, 2013 at 12:44

answered Dec 19, 2013 at 23:36

Massaoui

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Comments

Eric · Accepted Answer · 2015-10-24 17:33:11Z

0

It is hard to tell what the issue is that you are having. Does mozilla do anything when the code is executed? does it display an error? What version of ie did you test it with? And can you also provide the html for the ctrl element?

One of the issue with IE and the getElementById method is that in some versions of the browser it will match on the id attribute of a tag as well as the name attribute (which does not follow the JavaScript spec). In Mozilla it is only matching using the id attribute.

http://msdn.microsoft.com/en-us/library/ms536437(VS.85).aspx

edited Oct 24, 2015 at 17:33

answered Oct 20, 2010 at 11:30

Eric

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