1<! DOCTYPE html Public"-//w3c//dtd XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >234<meta http-equiv= "Content-type" content= "text/html; Charset=utf-8 "/>5<title> Untitled Document </title>6<script src= "Jquery-1.11.2.min.js" ></script>7<style type= "Text/css" >8 #D19 {TenFont-size:24px; One } A.List - { -Width200px; theHeight30px; -Text-align:Center; -Line-height:30px; -Vertical-align:Middle; +Background-color:#999; -Color#F00; + } A</style> at - -<body> - -<div id= "D1" name= "div" ><b> first div</b></div> - in<divclass= "D" >22222</div> -<divclass= "D" >333333</div> to<divclass= "D" >444444</div> + - the<divclass= "List" >hello</div> *<divclass= "List" >world</div> $<divclass= "List" >hai</div>Panax Notoginseng<divclass= "List" >aaaa</div> - the +<input type= "text" bs= "UID"/> A the +<input type= "checkbox" id= "AA" value= "Hello"/> - $<input type= "button" id= ' btn ' value= ' take value '/> $ - -</body> the<script type= "Text/javascript" > - Wuyi //JS takes the element, takes out the concrete element object the //var d = document.getElementById ("D1"); - //alert (Document.getelementsbyclassname ("D")); Wu //alert (document.getElementsByTagName ("div")); - //alert (Document.getelementsbyname ("UID")); About $ //Operation content - //alert (D.innertext);//Get text content - //alert (d.innerhtml);//Get HTML code - //d.innertext = "Hello";//Assign value to Element (text) A //d.innerhtml = "<span style= ' color:red ' >hello</span>";//Assign value to element (HTML code) + the //d.value Gets or sets the contents of a FORM element - $ //Operation Properties the //alert (D.getattribute ("name"));//Gets the value of the property the //d.setattribute ("BS", "001");//Set Properties the //d.removeattribute ("name");//Remove attribute the - in //Operation style the //alert (d.style.fontsize);//Get style, must be written inside the element the //d.style.fontsize = "36px";//Modify Settings style About the the the$ (document). Ready (function(e) { + - //jquery takes an element and takes out a jquery object the //var D = $ ("#d1");//Search by IDBayi /*var d = $ (". D");//Search by Class the the For (var i=0;i<d.length;i++) - { - Alert (D.eq (i)); the }*/ the the //Alert ($ ("div"));//Search by tag name the - //alert ($ ("[Bs=uid]"));//Search by attribute the the //Operation content the //alert (D.text ());//Gets the contents of the element (text)94 //alert (d.html ());//Gets the contents of the element (HTML code) the the //d.text ("Hello");//Assigning a value to an element (text) the //d.html ("<span style= ' color:red ' >hello</span>"); Assigning a value to an element (HTML code)98 About //d.val ();//manipulate the contents of the form to assign values - 101 102 //Operation Properties103 //alert (d.attr ("name"));//Get Property104 //d.attr ("BS", "001");//Set Properties the //d.removeattr ("BS");//Remove Properties106 107 //Operation style108 //alert (D.css ("font-size"));//Sampling type109 //d.css ("Font-size", "36px");//Set style the 111 the //Events113 /*$ ("#d1"). Click (function () { the the alert ("AA"); the 117 })*/118 119 - /*$ (". D"). Click (function () {121 122 //alert ($ (this). text ());123 124 })*/ the 126 //Menu Selection127$ (". List"). Click (function(){ - 129 //make all elements unchecked the$ (". List"). CSS ("Background-color", "#999"). CSS ("Color", "#F00");33s the //make the element selected133$ (this). CSS ("Background-color", "#60F"). CSS ("Color", "#FFF");134 135 })136 137 //take checkbox Check value138$ ("#btn"). Click (function(){139 $ if($ ("#aa") [0].checked)141 {142Alert ($ ("#aa").Val ());143 }144 Else145 {146Alert ("Unchecked! ");147 }148 149 }) Max 151 }); the</body>1531. jquery Knowledge Learning ...