jQuery-001-全选和取消.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>全选和取消</title>
</head>
<body>
<script type="text/javascript" src="JQuery.js"></script>
<script type="text/javascript">
function selectAll(){
var flag = $("#selectAllBut").prop("checked");
var $obj = $(".ah");
$obj.prop("checked",flag);
}
</script>
<!--this表示触发当前事件的HTML元素对象-->
<input type="checkbox" onclick="selectAll()" id="selectAllBut"/>全选<br>
<input type="checkbox" class="ah" />吃<br>
<input type="checkbox" class="ah" />喝<br>
<input type="checkbox" class="ah" />玩<br>
</body>
</html>
jQuery-002-基本选择器.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>jQuery基本选择器</title>
<style type="text/css">
div{
background: gray;
width: 200px;
height: 100px;
}
</style>
<script type="text/javascript" src="JQuery.js"></script>
<script type="text/javascript">
function fun1(){
var $obj = $("#one");
$obj.css("background-color","aqua");
}
function fun2(){
var $obj = $(".two");
$obj.css("background-color","greenyellow");
}
function fun3(){
var $obj = $("div");
$obj.css("background-color","bisque");
}
function fun4(){
var $obj = $("*");
$obj.css("background-color","cornflowerblue");
}
function fun5(){
var $obj = $("#one,span");
$obj.css("background-color","darkorchid");
}
</script>
</head>
<body>
<!--定义被选择对象-->
<div id="one" class="two"></div><br>
<div class="two"></div><br>
<div></div><br>
<span>我是span标签</span>
<br>
<!--定义按钮-->
<input type="button" id="btn01" value="选择id为one的元素" onclick="fun1()"/>
<input type="button" id="btn02" value="选择class为two的元素" onclick="fun2()"/>
<input type="button" id="btn03" value="选择所有div元素" onclick="fun3()"/>
<input type="button" id="btn04" value="选择所有元素" onclick="fun4()"/>
<input type="button" id="btn05" value="选择id为one和所有span元素" onclick="fun5()"/>
</body>
</html>
jQuery-003-层级选择器.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>jQuery层级选择器</title>
<style type="text/css">
div{
background:gray;
}
</style>
<script type="text/javascript"src="JQuery.js"></script>
</head>
<body>
<script>
function fun1(){
$("body div").css("background-color","dodgerblue");
}
function fun2(){
$("body>div").css("background-color","pink");
}
function fun3(){
$("#one+div").css("background-color","mediumspringgreen");
}
function fun4(){
$("#two~div").css("background-color","fuchsia");
}
function fun5(){
$("#two").siblings("div").css("background-color","firebrick");
}
</script>
<!--定义被选择对象-->
<div id="one">我是div01</div>
<div id="two">我是div02</div>
<div>
我是div03
<div class="son">我是div03的子div</div>
<div class="son">我是div03的子div</div