<!DOCTYPE HTML><html><head> <title>随手练习</title> <meta charset="utf-8"> <style> div { background:yellow;width:200px;height:300px;display:none;} </style> </head><body> <input id="show" type="button" value="显示" /><input id="hide" type="button" value="隐藏" /><div id="div1"></div> <script type="text/javascript"> window.onload = function (){ var show1 = document.getElementById("show"); var hide1 = document.getElementById("hide"); var div1 = document.getElementById("div"); show1.onclick = function (){ div1.style.display = "block"; div1.style.background = "red"; }; hide1.onclick = function (){ div1.style.display = "none"; }; }; </script></body></html>
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