简介:
js Math随机数ceil floor方法,取整方法,尾数全部舍弃,向上或向下
ceil:向上取整
floor:向下取整
效果展示:
代码示例:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
</body>
<script>
for (var i = 0; i < 20; i++) {
var randomNumber = Math.random() * 10; // 生成介于0和10之间的随机数
console.log("ceil:"+Math.ceil(randomNumber) + ' - floor:' + Math.floor(randomNumber)+" - randomNumber:" + randomNumber);
}
</script>
</html>