<!DOCTYPE?HTML>
<html>
<head>
<meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8"?/>
<title>prompt</title>
??<script?type="text/javascript">
??function?rec(){
????var?score;?//score變量，用來存儲用戶輸入的成績值。
????score?=prompt("小抄抄了多少"）;
????if(score>=90)
????{
???????document.write("你很棒!");
????}
????else?if(score>=75)
????{
???????document.write("不錯吆!");
????}
????else?if(score>=60)
????{
???????document.write("要加油!");
????}
????else
????{
???????document.write("要努力了!");
????}
??}
??</script>
</head>
<body>
????<input?name="button"?type="button"?onClick="rec()"?value="點擊我，對成績做評價!"?/>
</body>
</html>
2015-07-01
看一下是不是第9行的結(jié)束符號出問題了
2015-03-28
prompt哪來的
2015-03-28
單擊按鈕在里面寫代碼