获取属性值从数组使用jQuery对象数组

本文介绍了获取属性值从数组使用jQuery对象数组的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

我想从这里得到：

例如= {[  名称：someone1  城市：somewhere1  状态：someplace1}，{  名称：someone2  城市：somewhere2  状态：someplace2}]

在这里：

example.name = [someone1，someone2]

在短短一个code越好。很显然，我可以只循环，并建立数组，但我需要这个做各种不同的物体了大量的时间。我可以写一个函数来做到这一点，但是这将是很难使一般功能足够我的应用程序。

有jQuery的这个快捷方式？

解决方案

您可以通过对象键循环，并使用推：

\r\r

例如= {[\r  名称：someone1\r  城市：somewhere1\r  状态：someplace1\r}，{\r  名称：someone2\r  城市：somewhere2\r  状态：someplace2\r}];\r变种arrNames = [];\r//通过对象键循环\rObject.keys（例如）.forEach（功能（键）{\r  //获取名称的值\r  VAR VAL =例如[关键] [名称];\r  //推名称字符串数组中\r  arrNames.push（VAL）;\r}）;\r的console.log（arrNames）; //输出[someone1，someone2]

\r\r\r

在@Felix建议（与我同意）有没有必要使用 Object.keys ：

\r\r

例如= {[\r  名称：someone1\r  城市：somewhere1\r  状态：someplace1\r}，{\r  名称：someone2\r  城市：somewhere2\r  状态：someplace2\r}];\r变种arrNames = [];\r//通过对象键循环\rexample.forEach（函数（项目）{\r  //获取名称的值\r  VAR VAL = item.name\r  //推名称字符串数组中\r  arrNames.push（VAL）;\r}）;\r的console.log（arrNames）; //输出[someone1，someone2]

\r\r\r

参考

Object.keys（）

Array.prototype.forEach（）

Array.prototype.push（）

I am trying to get from here:

example = [{ name: "someone1", city: "somewhere1", state: "someplace1" },{ name: "someone2", city: "somewhere2", state: "someplace2" }]

to here:

example.name = [ "someone1", "someone2" ]

In as little a code as possible. Obviously I could just loop it and build the array but I need to do this a large number of times on a variety of objects. I could write a function to do it but it would be difficult to make the function general enough for my application.

Is there a shortcut for this in jQuery?

解决方案

You can iterate through the object keys and save the name in the array using push:

example = [{ name: "someone1", city: "somewhere1", state: "someplace1" }, { name: "someone2", city: "somewhere2", state: "someplace2" }]; var arrNames = []; //iterate through object keys Object.keys(example).forEach(function(key) { //get the value of name var val = example[key]["name"]; //push the name string in the array arrNames.push(val); }); console.log(arrNames);//prints ["someone1", "someone2"]

After @Felix suggestion(with which I agree) there is no need to use Object.keys:

example = [{ name: "someone1", city: "somewhere1", state: "someplace1" }, { name: "someone2", city: "somewhere2", state: "someplace2" }]; var arrNames = []; //iterate through object keys example.forEach(function(item) { //get the value of name var val = item.name //push the name string in the array arrNames.push(val); }); console.log(arrNames); //prints ["someone1", "someone2"]

References

Object.keys()

Array.prototype.forEach()

Array.prototype.push()