<!DOCTYPE html><html><head>? ? <meta charset="UTF-8">? ? <title></title>? ? <link href="css1.css" id="link1" ?rel="stylesheet" type="text/css" /><script>window.load=function() {? ? var aa=document.getElementById("btn2");aa.onclick=tored};function tored()? ? {? ? ? ? document.getElementById("link1").href="css2.css";? ? }function togreen()? ? {? ? ? ? document.getElementById("link1").href="css1.css";? ? }</script></head><body><input type="button" ?value="皮膚1" id="btn1"><input type="button" ?value="皮膚2" id="btn2" ></body></html>
為什么我這個(gè)代碼既沒有報(bào)錯(cuò),但也沒有任何效果啊
慕田峪8701529
2017-05-07 12:06:40