"Message box with counter"
Bootstrap 3.0.0 Snippet by msurguy

<div class="container"> <div class="row"> <div class="col-sm-4 col-md-4"> <div class="panel panel-default"> <div class="panel-body"> <form accept-charset="UTF-8" action="" method="POST"> <textarea class="form-control counted" name="message" placeholder="Type in your message" rows="5" style="margin-bottom:10px;"></textarea> <h6 class="pull-right" id="counter">320 characters remaining</h6> <button class="btn btn-info" type="submit">Post New Message</button> </form> </div> </div> </div> </div> </div>
body{padding-top:20px;}
/** * * jquery.charcounter.js version 1.2 * requires jQuery version 1.2 or higher * Copyright (c) 2007 Tom Deater (http://www.tomdeater.com) * Licensed under the MIT License: * http://www.opensource.org/licenses/mit-license.php * */ (function($) { /** * attaches a character counter to each textarea element in the jQuery object * usage: $("#myTextArea").charCounter(max, settings); */ $.fn.charCounter = function (max, settings) { max = max || 100; settings = $.extend({ container: "<span></span>", classname: "charcounter", format: "(%1 characters remaining)", pulse: true, delay: 0 }, settings); var p, timeout; function count(el, container) { el = $(el); if (el.val().length > max) { el.val(el.val().substring(0, max)); if (settings.pulse && !p) { pulse(container, true); }; }; if (settings.delay > 0) { if (timeout) { window.clearTimeout(timeout); } timeout = window.setTimeout(function () { container.html(settings.format.replace(/%1/, (max - el.val().length))); }, settings.delay); } else { container.html(settings.format.replace(/%1/, (max - el.val().length))); } }; function pulse(el, again) { if (p) { window.clearTimeout(p); p = null; }; el.animate({ opacity: 0.1 }, 100, function () { $(this).animate({ opacity: 1.0 }, 100); }); if (again) { p = window.setTimeout(function () { pulse(el) }, 200); }; }; return this.each(function () { var container; if (!settings.container.match(/^<.+>$/)) { // use existing element to hold counter message container = $(settings.container); } else { // append element to hold counter message (clean up old element first) $(this).next("." + settings.classname).remove(); container = $(settings.container) .insertAfter(this) .addClass(settings.classname); } $(this) .unbind(".charCounter") .bind("keydown.charCounter", function () { count(this, container); }) .bind("keypress.charCounter", function () { count(this, container); }) .bind("keyup.charCounter", function () { count(this, container); }) .bind("focus.charCounter", function () { count(this, container); }) .bind("mouseover.charCounter", function () { count(this, container); }) .bind("mouseout.charCounter", function () { count(this, container); }) .bind("paste.charCounter", function () { var me = this; setTimeout(function () { count(me, container); }, 10); }); if (this.addEventListener) { this.addEventListener('input', function () { count(this, container); }, false); }; count(this, container); }); }; })(jQuery); $(function() { $(".counted").charCounter(320,{container: "#counter"}); });

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