jQuery 数组中元素的总数

Question

看起来很简单，但我找不到任何东西!

var cookie = [1,2,3],
    total  = cookie.magicMethodThatICantFindThatTotalsTheElements();

total = 3

Answer 1

属性(property)length指定数组中元素的数量:

var total = cookie.length;