js 取数组中某个对象的集合
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2022-07-03 09:28:25
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);