ES6 简化了这个过程:
let merge = (obj1, obj2) => ({...obj1, ...obj2});
注意,重复的键将被合并,第二个对象的值将优先,
第一个对象的重复值将被忽略。
例如:
let obj1 = {id: 1, uniqueObj1Key: "uniqueKeyValueObj1", repeatedKey: "obj1Val"};
let obj2 = {id: 1, uniqueObj2Key: "uniqueKeyValueObj2", repeatedKey: "obj2Val"};
merge(obj1, obj2)
merge(obj2, obj1)
var a1 = [{ id : 1, name : "test"}, { id : 2, name : "test2"}]
var a2 = [{ id : 1, count : "1"}, {id : 2, count : "2"}]
var merge = (obj1, obj2) => ({...obj1, ...obj2});
_.zipWith(a1, a2, merge)
(2) [{…}, {…}]
0: {id: 1, name: "test", count: "1"}
1: {id: 2, name: "test2", count: "2"}
如果您有要合并的数组,则可以按照以下方式执行:
var arrayOfArraysToMerge = [a1, a2, a3, a4]; //a3 and a4 are arrays like a1 and a2 but with different properties and same IDs.
_.zipWith(...arrayOfArraysToMerge, merge)
(2) [{…}, {…}]
0: {id: 1, name: "test", count: "1", extra1: "val1", extra2: 1}
1: {id: 2, name: "test2", count: "2", extra1: "val2", extra2: 2}