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JavaScript中用于生成随机数的Math.random()方法_基础知识
- WBOYOriginal
- 2016-05-16 15:54:552217browse
此方法返回0(含)和1(不包括)之间的随机数
语法
Math.random() ;
下面是参数的详细信息：
- NA
返回值:
- 返回0(含)和1(不包括)之间的随机数
例子：
<html>
<head>
<title>JavaScript Math random() Method</title>
</head>
<body>
<script type="text/javascript">
var value = Math.random( );
document.write("First Test Value : " + value );
var value = Math.random( );
document.write("<br />Second Test Value : " + value );
var value = Math.random( );
document.write("<br />Third Test Value : " + value );
var value = Math.random( );
document.write("<br />Fourth Test Value : " + value );
</script>
</body>
</html>
这将产生以下结果：
First Test Value : 0.28182050319352636 Second Test Value : 0.6375786089661319 Third Test Value : 0.6780129774072902 Fourth Test Value : 0.7310958163154001
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