<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body onload="checkCook()">
<h1 id="h1" onclick="this.innerHTML='Hello'">here</h1>
<button id="btn">btn</button>
<input type="text" id="fname" onchange="upperFun()" />
<div id="div1" onmouseover="overFun()" onmouseout="outFun()">
here
</div>
<script >
//Dom事件
document.getElementById("btn").onclick=display;
function display(){
document.getElementById("h1").innerHTML="display";
}
//页面加载事件
function checkCook(){
if(navigator.cookieEnabled==true){
console.log("true");
}else{
console.log("false");
}
}
//onchange 事件
function upperFun(){
var str=document.getElementById("fname");
str.value=str.value.toUpperCase();
}
//onmouseover 鼠标移上去事件
function overFun(){
document.getElementById("div1").innerHTML="good";
}
//onmouseout 鼠标离开事件
function outFun(){
document.getElementById("div1").innerHTML="here";
}
</script>
</body>
</html>
