$(document).ready(function() {
window.setTimeout(function() { // do something }, 1000);});
24. 移除单词功能
Want to remove a certain word(s)?
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$(document).ready(function() {
var el = $('#id'); el.html(el.html().replace(/word/ig, ""));});
25. 验证元素是否存在于jquery对象集合中
Simply test with the .length property if the element exists.
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$(document).ready(function() {
if ($('#id').length) { // do something }});
26. 使整个DIV可点击
Want to make the complete div clickable?
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$(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<DIV><A href="index.html">home</A></DIV>});
27. ID与Class之间转换
当改变Window大小时,在ID与Class之间切换
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$(document).ready(function() {
function checkWindowSize() { if ( $(window).width() > 1200 ) { $('body').addClass('large'); } else { $('body').removeClass('large'); } }$(window).resize(checkWindowSize);});
28. 克隆对象
Clone a div or an other element.
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$(document).ready(function() {
var cloned = $('#id').clone();// how to use<DIV id=id></DIV>});
29. 使元素居屏幕中间位置
Center an element in the center of your screen.
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$(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; } $("#id").center();});
30. 写自己的选择器
Write your own selectors.
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$(document).ready(function() {
$.extend($.expr[':'], { moreThen1000px: function(a) { return $(a).width() > 1000; } }); $('.box:moreThen1000px').click(function() { // creating a simple js alert box alert('The element that you have clicked is over 1000 pixels wide'); });});
31. 统计元素个数
Count an element.
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$(document).ready(function() {
$("p").size();});
32. 使用自己的 Bullets
Want to use your own bullets instead of using the standard or images bullets?
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$(document).ready(function() {
$("ul").addClass("Replaced"); $("ul > li").prepend(" "); // how to use ul.Replaced { list-style : none; }});
33. 引用Google主机上的Jquery类库
Let Google host the jQuery script for you. This can be done in 2 ways.
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