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copied!<p>Look at the comments on this site, with a count down. I have done it like this before, and it is simple and effective. Stack Overflow makes good use of color too.</p> <p>Perhaps you don't have enough rep to see the comment box.</p> <p>It runs a little countdown while you type. At it approaches a threshold, the color changes from yellow to red. All using JavaScript, and I assume the keyup event of the textarea.</p> <p>EDIT: How about having it done with jQuery?</p> <pre><code><script language="javascript" type="text/javascript" src="js/jquery-1.2.6.min.js"></script> <script language="javascript" type="text/javascript"> $(document).ready( function () { setMaxLength(); $("textarea.checkMax").bind("click mouseover keyup change", function(){checkMaxLength(this.id); } ) }); function setMaxLength() { $("textarea.checkMax").each(function(i){ intMax = $(this).attr("maxlength"); $(this).after("<div><span id='"+this.id+"Counter'>"+intMax+"</span> remaining</div>"); }); } function checkMaxLength(strID){ intCount = $("#"+strID).val().length; intMax = $("#"+strID).attr("maxlength"); strID = "#"+strID+"Counter"; $(strID).text(parseInt(intMax) - parseInt(intCount)); if (intCount < (intMax * .8)) {$(strID).css("color", "#006600"); } //Good if (intCount > (intMax * .8)) { $(strID).css("color", "#FF9933"); } //Warning at 80% if (intCount > (intMax)) { $(strID).text(0).css("color", "#990000"); } //Over } </script> </code></pre> <p>And the HTML is</p> <pre><code><textarea id="text" maxlength="250" class="checkMax"></textarea> </code></pre>

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