js对象等号赋值的bug
var a = {n: 1}; var b = a; a.x = a = {n: 2}; console.log(a.x); console.log(b.x); 1.对象 ...
花费 6 ms
找出某个值在给定数组中的位置
方法1 var arr = [20,10,33, 14, 16]; var item = 16; function choose(arr, item){ for(var i = 0; ...