[英]Generating pseudoRandom number less than 7 in javascript
var x = Math.floor(Math.random() * 7);
var y = Math.floor((Math.random() * 6) + 1);
Which one is correct and why??哪一个是正确的,为什么?
var x = Math.floor(Math.random() * 6); var x = Math.floor(Math.random() * 6);
because Math.random() returns a random number between 0 (inclusive), and 1 (exclusive):因为 Math.random() 返回一个介于 0(包括)和 1(不包括)之间的随机数:
description: https://www.w3schools.com/js/js_random.asp描述: https://www.w3schools.com/js/js_random.asp
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