将具有相同属性的两个对象的方法合并到每个属性的数组中
问题描述:
我正在尝试将两个对象的方法合并为一个,以便为父对象中的每个属性生成一个方法数组:
I'm trying to merge the methods of two objects into one such that an array of methods results for each property in the parent object:
obj1 = {"prop1":"method1","prop2":"method2"}
obj2 = {"prop1":"method3","prop2":"method4"}
期望输出:
obj1 = {"prop1":["method1","method3"],"prop2":["method2","method4"]}
我在考虑使用 $ .extend(obj1,obj2)
,但这只是替换值而不是创建数组。这项任务真的可行吗?如果是这样,这是怎么做的?
I was thinking of using $.extend(obj1,obj2)
, but this just replaces values and doesn't create an array. Is this task actually possible? If so, how is this done?
答
看看这是否有帮助:
var merge = function(/*...objs*/) {
return [].reduce.call(arguments, function(acc, x) {
Object.keys(x).forEach(function(k) {
acc[k] = (acc[k]||[]).concat([x[k]])
})
return acc
},{})
}
var obj1 = {prop1: "method1", prop2: "method2"}
var obj2 = {prop1: "method3", prop2: "method4"}
console.log(merge(obj1, obj2))
//^
// {prop1: ['method1', 'method3'],
// prop2: ['method2', 'method4']}