<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>Change.html</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <!--<link rel="stylesheet" type="text/css" href="./styles.css">--> <script language="javascript"> function test4(event) { if(event.value == "11") { //?Ϧdiv1 //var div1 = document.getElementById('div1'); var div1 = document.getElementById("div1"); var div2 = document.getElementById("div2"); div1.style.backgroundColor="black"; div2.disabled = true; div2.readOnly = true; } if(event.value == "22") { //?Ϧdiv1 //var div1 = document.getElementById('div1'); var div1 = document.getElementById("div1"); var div2 = document.getElementById("div2"); div1.style.backgroundColor="red"; div2.disabled = false; div2.readOnly = false; } } </script> </head> <body> <!--<div id="div1" style="400px; height:300px; background-color:red;">div1</div>--> <div id="div1" style="400px; height:300px; background-color:red;">div1</div> <input type="text" id="div2" value=""/> <input type="button" value="11" onclick="test4(this)"/> <input type="button" value="22" onclick="test4(this)"/> </body> </html>
不配图,复制代码一运行就能知道