<!DOCTYPE html><html>
<head><title>我是一个小标题</title></head>
<body><h1 onclick="changtext(this)">快点哦</h1><input type="button" onclick="displayDate()" value="我是一个button">
<button onclick="displayDate()">我想拉屎</button>
<input type="button" onclick="clear()" value="我想拉屎"><p id="demo"></p><script>function displayDate() {document.getElementById("demo").innerHTML = Date();};
function clear() {//document.getElementById("demo").innerHTML = "sdf";document.getElementById("demo").innerHTML = Date();};
function changtext(id) {id.innerHTML = "hello!";};</script></body>
</html>
<head><title>我是一个小标题</title></head>
<body><h1 onclick="changtext(this)">快点哦</h1><input type="button" onclick="displayDate()" value="我是一个button">
<button onclick="displayDate()">我想拉屎</button>
<input type="button" onclick="clear()" value="我想拉屎"><p id="demo"></p><script>function displayDate() {document.getElementById("demo").innerHTML = Date();};
function clear() {//document.getElementById("demo").innerHTML = "sdf";document.getElementById("demo").innerHTML = Date();};
function changtext(id) {id.innerHTML = "hello!";};</script></body>
</html>
