- filter过滤假值
[1,2,null].fiter(Boolean)
- 2.Object.is
健壮的相等判断
Object.is(NaN,NaN)
Object.is(+0,-0)
Object.is({},{})
const obj = {}
Object.is(obj,obj)
![](https://img.haomeiwen.com/i26022476/475725faa3ccb913.png)
[1,2,null].fiter(Boolean)
健壮的相等判断
Object.is(NaN,NaN)
Object.is(+0,-0)
Object.is({},{})
const obj = {}
Object.is(obj,obj)
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