arr= [{id:1,name:2}, {id:2,name:22}, {id:3,name:222}];
finally want to realize arr= [2JI 22222];
is there anything ES6 can do?
arr= [{id:1,name:2}, {id:2,name:22}, {id:3,name:222}];
finally want to realize arr= [2JI 22222];
is there anything ES6 can do?
arr = arr.map (item = > item.name)
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