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basic02.html
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47 lines (38 loc) · 1.5 KB
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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<script>
window.onload = function () {
function func1() {
var oBtn1 = document.getElementById("btn1")
var oBtn2 = document.getElementById("btn2")
var oBtn3 = document.getElementById("btn3")
// 这里的事件采用匿名函数,匿名函数主要用来执行命令的
oBtn1.onmouseenter = function () {
console.log("鼠标滑过...");
}
oBtn2.onclick = function () {
console.log("鼠标点击...");
}
oBtn3.onmouseleave = function () {
console.log("鼠标离开...");
}
// id也可以添加到head中的标签身上，
// 比如link的css外链式，通过id来设置css的href属性来实现加载不同的网页皮肤
// 如果标签有自己的类或者修改类名为类名2来切换css样式
}
func1();
}
</script>
</head>
<body>
<button id="btn1">鼠标滑过</button>
<button id="btn2">鼠标点击</button>
<button id="btn3">鼠标离开</button>
</body>
</html>