mirror of
https://github.com/qianguyihao/Web.git
synced 2024-11-01 21:44:45 +08:00
17 lines
161 B
Markdown
17 lines
161 B
Markdown
|
|
||
|
|
|
||
|
|
```
|
||
|
|
var arr = [1, 2, 3];
|
||
|
|
|
||
|
|
fun(arr);
|
||
|
|
console.log(arr);
|
||
|
|
|
||
|
|
function fun(a) {
|
||
|
|
a = [];
|
||
|
|
|
||
|
|
}
|
||
|
|
```
|
||
|
|
|
||
|
|
上方代码的打印结果是：[1,2,3]
|
||
|
|
|