<!DOCTYPE html><html><head><meta charset="UTF-8"><title>課堂文檔</title><link rel="stylesheet" type="text/css" href=""></head><style type="">div{background: green;width: 300px;height: 150px;left: 15px;}</style><body><div id="div1">電動汽車</div><hr><input type="button" id="btn1" value="myFun1" onclick="myFun1()"><input type="button" id="btn2" value="myFun2"><input type="button" id="btn3" value="myFun3"><script>function myFun1(){var div1=getELementById("div1");div1.innerHTML='學(xué)生信息檔案'}//為什么單擊myFun1按鈕無法將div中的“電動汽車”變成“學(xué)生信息檔案”???跪求大神解答,謝謝?。。?lt;/script></body></html>