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copied!<p>Too much recursion in your code, doesn't that mean anything for you? Here's the improved code:</p> <pre><code>$(function() { $(".text").addClass("idleField").focus(function () { $(this).removeClass("idleField").addClass("focusField"); }).blur(function () { $(this).removeClass("focusField").addClass("idleField"); }); $("#recaptcha_response_field").attr("tabindex", "5"); /*@cc_on var $username = $("#username"); $username.watermark("Desired Username"); $("#password").watermark("Password between 6 and 12 characters"); $("#confirmPassword").watermark("Confirm Password"); $("#email").watermark("Please insert a valid email"); */ $("#checkUser").click(function () { $("#results").html("<img src='images/loading.gif' alt='loading...' />loading...").load("library/regUserCheck.php", { name: $username.val() }); }); <?php if ($error) { /* Make error fade out */ ?> setTimeout(function () { $("#errorField").fadeOut(1250); }, 5000); <?php } ?> }); </code></pre> <p>Tips:</p> <ul> <li>You can use conditional comments (<code>/*@cc_on … */</code>) to handle IE, no need to do that with PHP.</li> <li>Never use a jQuery selector multiple times. jQuery needs to find that element in DOM multiple times. In most cases, you can use <strong>chaining</strong>, like this:</li> </ul> <pre><code>$('#el').click(function() { … }).addClass('myClass');</code></pre> <p>If you can't do that, <strong>cache</strong> it to a variable. Example:</p> <pre><code>var $el = $('#el'); $el.html('loading…'); setTimeout(function() { $el.load('/ajax/echo/html', {html: 'Hello, world!'}); }, 5000);</code></pre> <p>For example, if you want to specify more CSS rules for an element, this is the best syntax:</p> <pre><code>$('#el').css({ 'background-color': 'blue', color: 'white' });</code></pre> <ul> <li>This really depends on style and isn't important, but you can use <code>$(function() {</code> as a shorthand for <code>$(document).ready(function() {</code>.</li> </ul> <p>I hope that's enough. :)</p>

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