JavaScript:如何创建对象并过滤这些属性? [英] JavaScript: How to create an Object and filter on those attributes?

问题描述

我有一个 JavaScript 的房屋数组，就像这样，

I have a JavaScript array of houses like so,

{
    "homes" : [{
        "home_id"         : "1",
        "address"         : "321 Main St",
        "city"            : "Dallas",
        "state"           : "TX",
        "zip"             : "75201",
        "price"           : "925",
        "sqft"            : "1100",
        "year_built"      : "2008",
        "account_type_id" : "2",
        "num_of_beds"     : "2",
        "num_of_baths"    : "2.0",
        "geolat"          : "32.779625",
        "geolng"          : "-96.786064",
        "photo_id"        : "14",
        "photo_url_dir"   : "/home_photos/thumbnail/2009/06/10/"
    }],
    ..........
}

我想提供 3 种不同的搜索方法.

I want to provide 3 different search methods.

如何返回具有以下特征的房屋区域数组的子集:

How can I return a subset of this homes area array that has:

• X 和 Y 之间的 price
• 浴室 >= Z
• 卧室数量 == A or == B or == C

• The price between X and Y
• The bathrooms >= Z
• The # of bedrooms == A or == B or == C

例如，我将如何创建如下伪代码:

For example, how would I create the psuedo code like:

homes.filter {price >= 150000, price <= 400000, bathrooms >= 2.5, bedrooms == 1 | bedrooms == 3}

推荐答案

Javascript 1.6 (FF, Webkit-based) has built-in Array.filter 函数，因此无需重新发明轮子.

Javascript 1.6 (FF, Webkit-based) has built-in Array.filter function, so there's no need to reinvent the wheel.

result = homes.
  filter(function(p) { return p.price >= 150000 }).
  filter(function(p) { return p.price <= 400000 }).
  filter(function(p) { return p.bathrooms >= 2.5 }) etc

有关 msie 回退，请参阅上面链接的页面.

for a msie fallback see the page linked above.

这篇关于JavaScript:如何创建对象并过滤这些属性?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！