這個(gè)是哪里有問(wèn)題
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Math </title>
<script type="text/javascript">
var a = (Math.round())*10;
document.write(Math.round(a));
</script>
</head>
<body>
</body>
</html>
2018-06-29
var a = Math.random()*10;
2017-10-18
把var a = (Math.round())*10;改為：var a = (Math.random())*10;
2017-10-06
"var a = (Math.round())*10;"隨機(jī)函數(shù)代碼生成為Math.random()