var a = [2,3,4,5],
c = Math.max.apply(null,a);
console.log(c);
console.log(Math.max.apply(null,[3,8,44,48]));
console.log(Math.max.call(null,3,8,44,48));
当数组中不是只有数字时找到最大的那个数字
var nums = "adc123efg789hh6",
ary = [];
nums.replace(/\d{1,3}/g,function(num){ //d为正则查找数字,找出nums里所有数字
ary.push(num);
});
console.log(Math.max.apply(null,ary));