update:ES6之数组和对象的扩展

This commit is contained in:
qianguyihao
2018-04-04 22:58:12 +08:00
parent 97fa3f9122
commit 4deec8872e
3 changed files with 162 additions and 41 deletions

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@@ -157,6 +157,7 @@ sqrt即“square 开方”。比如:
```
console.log("6" == 6); //true
console.log(0 == -0); //true
```
如果要保证**完全等于**,我们就要用三个等号`===`。例如: