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The maxlength attribute defines the maximum number of characters (as UTF-16 code units) the user can enter into an <input> or <textarea> . This must be an integer value 0 or higher. If no maxlength is specified, or an invalid value is specified, the input or textarea has no maximum length.
There is no native max-length attribute for textareas.
No.
maxlength is for behavior.
CSS is for styling.
That is why.
No. This needs to be done in the HTML. You could set the value with Javascript if you need to though.
You can use jQuery like:
$("input").attr("maxlength", 4)
Here is a demo: http://jsfiddle.net/TmsXG/13/
I don't think you can, and CSS is supposed to describe how the page looks not what it does, so even if you could, it's not really how you should be using it.
Perhaps you should think about using JQuery to apply common functionality to your form components?
Not with CSS, no.
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