jquery外掛程式開發執行個體

<%@ page language="java" contentType="text/html; charset=utf-8"pageEncoding="utf-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>Insert title here</title><script type="text/javascript" href="/js/jquery-1.9.1.js"></script><script type="text/javascript"src="<%=request.getContextPath()%>/js/jquery-1.9.1.js" charset="UTF-8"></script><script type="text/javascript"src="<%=request.getContextPath()%>/js/plugin.js" charset="UTF-8"></script><script type="text/javascript">$(document).ready(function() {//alert("helo");});var jqplg = {init : function() {jQuery.foo1 = function() {alert("i am foo1");};},initextends : function() {jQuery.extend({foo2 : function() {alert("i am foo2");},bar : function(p) {alert("i am bar " + p);}});},initnamespace : function() {jQuery.na = {foo3 : function() {alert("i am foo3");},};}};var test = {testarray : function() {var a = new Array(10);var b = new Array(1, 2, 3, 4, 5);alert(a.length);alert(b.length);},testpg1 : function() {//jQuery.foo1();jqplg.init();jQuery.foo1();},testpg2 : function() {jqplg.initextends();jQuery.foo2();jQuery.bar("hello");$.bar("ok");},testpg3 : function() {jqplg.initnamespace();jQuery.na.foo3();$.na.foo3();},testpg4 : function() {$("#desc").foo4();},testpg5 : function() {(function($) {$.fn.foo5 = function() {alert("i am foo5");};})(jQuery);$("#desc").foo5();},testpg6 : function() {(function($) {$.fn.maxHeight = function() {var max = 0;this.each(function() {max = Math.max(max, $(this).height());});return max;};})(jQuery);alert($("#th").maxHeight());}};//test.testarray();/* test.testpg1();test.testpg2();test.testpg3(); */test.testpg4();test.testpg5();test.testpg6();</script><style type="text/css">body {font-family: 'Verdana', '宋體';font-size: 12px;}</style></head><body><div id="desc">jQuery是一個架構。壓縮後有30多k吧。</div><div id="th" height="200"></div></body></html>