[英]How to merge few array operators in one ? Javascript
如果可能,我想將運算符合並到一行代碼中?
this.markers = [...new Map(this.markers.map(address => [Number(address.latitude), address])).values()]
this.markers = this.markers.filter(marker => marker.hasOwnProperty('pointId'))
如果我可以將這兩條線與一條連接起來?
我會提前過濾,然后得到映射的結果。
this.markers = [...new Map(this.markers
.filter(marker => marker.hasOwnProperty('pointId'))
.map(address => [+address.latitude, address])
).values()];
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