一、jQuery选择器
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script src="jquery-1.10.1.min.js"></script>
<script src="Selector.js"></script>
</head>
<body>
<p>p1</p>
<p class="pclass">p2</p>
<button>Click me</button>
</body>
</html>
$(document).ready(function(){
$("button").click(function(){
$(".pclass").text("p元素被修改了");
})
});
二、jQuery事件
1.jQuery事件：
常用事件方法
绑定事件
解除绑定事件
事件的目标
事件的冒泡
自定义事件
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script src="jquery-1.10.1.min.js"></script>
<script src="EventMethod.js"></script>
</head>
<body>
<button>Click me</button>
</body>
</html>
$(document).ready(function(){
// $("button").click(function(){
// $("button").dblclick(function(){
// $("button").mouseenter(function(){
$("button").mouseleave(function(){
$(this).hide();
});
});
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script src="jquery-1.10.1.min.js"></script>
<script src="bindEvent.js"></script>
</head>
<body>
<button id="clickMeBtn">Click me</button>
</body>
</html>
$(document).ready(function(){
// $("#clickMeBtn").click(function(){
// alert("hello");
// });
// $("#clickMeBtn").bind("click",clickHandler1);
// $("#clickMeBtn").bind("click",clickHandler2);
// $("#clickMeBtn").unbind("click",clickHandler1);
$("#clickMeBtn").on("click",clickHandler1);
$("#clickMeBtn").on("click",clickHandler2);
$("#clickMeBtn").off("click",clickHandler1);
});
function clickHandler1(e){
console.log("clickHandler1");
}
function clickHandler2(e){
console.log("clickHandler2");
}
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script src="jquery-1.10.1.min.js"></script>
<script src="EventTarget.js"></script>
</head>
<body>
<div style="width: 300px;height: 300px;background-color: #009B86;">
<li>A</li>
<li>B</li>
<li>C</li>
<li>D</li>
</div>
</body>
</html>
$(document).ready(function(){
$("body").bind("click",bodyHandler);
$("div").bind("click",divHandler1);
$("div").bind("click",divHandler2);
});
function bodyHandler(event){
console.log(event);
}
function divHandler1(event){
console.log(event);
// event.stopPropagation();
event.stopImmediatePropagation();
}
function divHandler2(event){
console.log(event);
}
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script src="jquery-1.10.1.min.js"></script>
<script src="CustomEvent.js"></script>
</head>
<body>
<button id="ClickMeBtn">Click Me</button>
</body>
</html>
var ClickMeBtn;
$(document).ready(function(){
ClickMeBtn = $("#ClickMeBtn");
ClickMeBtn.click(function(){
var e = jQuery.Event("MyEvent");
ClickMeBtn.trigger(e);
});
ClickMeBtn.bind("MyEvent",function(event){
console.log(event);
});
});
时间： 2024-12-15 16:08:24