$(document).ready( function () {
maxLength = $("textarea#comment").attr("maxlength");
$("textarea#comment").after("<div><span id='remainingLengthTempId'>"
+ maxLength + "</span> remaining</div>");
$("textarea#comment").bind("keyup change", function(){checkMaxLength(this.id, maxLength); } )
});
function checkMaxLength(textareaID, maxLength){
currentLengthInTextarea = $("#"+textareaID).val().length;
$(remainingLengthTempId).text(parseInt(maxLength) - parseInt(currentLengthInTextarea));
if (currentLengthInTextarea > (maxLength)) {
// Trim the field current length over the maxlength.
$("textarea#comment").val($("textarea#comment").val().slice(0, maxLength));
$(remainingLengthTempId).text(0);
}
}
<body>
<h1>TextArea maxlength with jQuery</h1>
<textarea id="comment" maxlength="10" rows="10" cols="60" ></textarea>
</body>