例如。
如何从该数组中随机选择一个名称并将其分配给变量?
var names = array["bob","tom","jake"];
如何从该数组中随机选择一个名称并将其分配给变量?
var randomName = I don't know what goes here
var names = array["bob","tom","jake"];
var randomName = I don't know what goes here
Math.random
方法。var random=Math.floor((Math.random() * names.length));
var randomName=names[random];
javascript
。var names = ["bob","tom","jake"];
不
var names = array["bob","tom","jake"];
var names = ["bob","tom","jake"];
var random= Math.floor((Math.random() * names.length));
var randomName=names[random];
console.log(randomName);
使用random方法
var randomName = names[Math.floor(Math.random()*items.length)];
0
和names.length - 1
之间的随机数。 - BenMnames.length-1
之间的随机数。 - Mihai Alexandru-Ionut