学习笔记：乘性操作符之求模

var randomNum = Math.random();
var InfinityVal = Infinity;
console.log(randomNum%0);//NaN
console.log(Infinity%randomNum);//NaN
console.log(randomNum%Infinity);//如果被除数是有限大的数值 而除数是无穷大的数值  结果是 被除数
console.log(10%Infinity);//10
console.log(InfinityVal%InfinityVal);//NaN