jQuery实用技巧必备（下）_jquery

$(document).ready(function() { window.setTimeout(function() { // do something }, 1000); });

$(document).ready(function() { var el = $('#id'); el.html(el.html().replace(/word/ig, "")); });

$(document).ready(function() { if ($('#id').length) { // do something } });

$(document).ready(function() { $("div").click(function(){ //get the url from href attribute and launch the url window.location=$(this).find("a").attr("href"); return false; }); // how to use 
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 });

$(document).ready(function() { function checkWindowSize() { if ( $(window).width() > 1200 ) { $('body').addClass('large'); } else { $('body').removeClass('large'); } } $(window).resize(checkWindowSize); });

$(document).ready(function() { var cloned = $('#id').clone(); // how to use 
 });

$(document).ready(function() { jQuery.fn.center = function () { this.css("position","absolute"); this.css("top", ( $(window).height() - this.height() ) / 2+$(window).scrollTop() + "px"); this.css("left", ( $(window).width() - this.width() ) / 2+$(window).scrollLeft() + "px"); return this; } $("#id").center(); });

$(document).ready(function() { $.extend($.expr[':'], { moreThen1000px: function(a) { return $(a).width() > 1000; } }); $('.box:moreThen1000px').click(function() { // creating a simple js alert box alert('The element that you have clicked is over 1000 pixels wide'); }); });

$(document).ready(function() { $("p").size(); });

$(document).ready(function() { $("ul").addClass("Replaced"); $("ul > li").prepend("‒ "); // how to use ul.Replaced { list-style : none; } });

//Example 1   // Example 2:(the best and fastest way) 

$(document).ready(function() { jQuery.fx.off = true; });

$(document).ready(function() { var $jq = jQuery.noConflict(); $jq('#id').show(); });