js 取数组中某个对象的集合
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2022-03-27 22:05:33
var arr = [ {a:1,b:2,c:3}, {a:4,b:5,c:6}, {a:7,b:8,c:9} ]; arr1=[]; arr.forEach(function(v){ arr1.push(v.a);}); console.log(arr1); ......
var arr = [ {a:1,b:2,c:3}, {a:4,b:5,c:6}, {a:7,b:8,c:9} ]; arr1=[]; arr.forEach(function(v){ arr1.push(v.a);}); console.log(arr1);
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