正文
js高级-变量内存分析
提示：扫一扫查出行【扫一扫了解最新限行尾号】
复制提示
var a = 9,
b,
c={age:9},
d;
b = a;
b = 19;
console.log(a)
console.log(b)
d = c;
d.age = 22;
console.log(c.age)
console.log(d.age)
函数参数的值传递
var a = 9,
b = {name:'laoma',age:18}
function demo (c1,c2) {
c1 = 29;
c2.name = '666'
}
demo(a,b)
arguments不是数组
