Javascript 基于对象属性筛选对象数组
我想根据对象属性过滤对象数组。让我告诉你我的代码是什么意思。首先,我有一个存储对象信息的数组:Javascript 基于对象属性筛选对象数组,javascript,jquery,Javascript,Jquery,我想根据对象属性过滤对象数组。让我告诉你我的代码是什么意思。首先,我有一个存储对象信息的数组: var data = [ { product: "Haori Jacket", url: "haorijacket.html", image: "img/haori-jacket.jpg", altDesc: "Jacket", price: "$210.00", outwear: "" }, { product: "Swing Dr
var data = [
{
product: "Haori Jacket",
url: "haorijacket.html",
image: "img/haori-jacket.jpg",
altDesc: "Jacket",
price: "$210.00",
outwear: ""
},
{
product: "Swing Dress",
url: "swingdress.html",
image: "img/swing-dress.jpg",
altDesc: "Dress",
price: "$218.00",
dress: ""
},
{
product: "Tan Tote",
url: "",
image: "img/tan-tote.jpeg",
altDesc: "Backpack",
price: "$350.00",
sale: "$475.00",
accessory: ""
},
{
product: "Sunglasses Nº 1",
url: "",
image: "img/sunglasses-n1.jpeg",
altDesc: "Sunglasses",
price: "$125.00",
accessory: ""
},
{
product: "Sunglasses Nº 2",
url: "",
image: "img/sunglasses-n2.jpeg",
altDesc: "Sunglasses",
price: "$125.00",
accessory: ""
}
];
然后使用模板文本和函数动态生成字符串:
// Template literal
function clothingView(item, index) {
return (`
<a href="${item.url}" class="shop-item">
${item.sale ? `<span class="shop-item__sale">Sale</span>`: ''}
<img data-src=${item.image} alt="${item.altDesc}" class="shop-item__img">
<div class="quickview">
<span class="quickview__icon">Quick View</span>
<span class="quickview__info">${item.product}
<br>
<span class="quickview__price">${item.price}
${item.sale ? `<span class="quickview__price--sale">${item.sale}</span>`: ''}
</span>
</span>
<span class="shop-item__index">${index}</span>
</div>
</a>
`);
};
// Append template literal to html structure
for (var i = 0; i < data.length; ++i) {
$('.all-items').append(clothingView(data[i], i))
}
//模板文本
功能clothingView(项目、索引){
返回(`
`);
};
//将模板文本追加到html结构
对于(变量i=0;i
我有一个“all items”类的div,它包含我的所有对象(确切地说是38个),但我也想将这些对象划分为类别(附件、连衣裙、外衣等)。我正在尝试使用过滤器方法来实现这一点。以下是一些有助于澄清情况的图片:
基本上,我想在我的div中添加类“accesory”,只添加属性为“accesory”的对象。我该怎么做?非常感谢您的帮助
编辑:我还要包括html结构,以防万一:
<section class="products-container container">
<nav class="categories">
<span class="categories__link" id="accesories">Accesories</span>
<span class="categories__link" id="bottoms">Bottoms</span>
<span class="categories__link" id="dresses">Dresses + Jumpsuits</span>
<span class="categories__link" id="outwear">Outerwear</span>
<span class="categories__link" id="tops">Tops</span>
<span class="categories__link" id="sale">— Sale</span>
</nav>
<div class="products all-items">
<!-- <a href="haorijacket.html" class="shop-item">
<span class="shop-item__sale">Sale</span>
<img src=img/haori-jacket.jpg alt="Jacket" class="shop-item__img">
<div class="quickview">
<span class="quickview__icon">Quick View</span>
<span class="quickview__info">$Haori Jacket
<br>
<span class="quickview__price">$210.00<span class="quickview__price--sale">$150.00<span></span>
</span>
<span class="clothing-index">${index}</span>
</div>
</a> -->
</div>
<div class="products accesories"></div>
<div class="products bottoms"></div>
<div class="products dresses"></div>
<div class="products outwear"></div>
<div class="products tops"></div>
<div class="products sale"></div>
</section>
附件
屁股
连衣裙+连体衣
外衣
最上等的
-出售
您可以使用操作符检查对象中是否存在特定属性
如果指定的属性位于指定的对象或其原型链中,则中的操作符
将返回true
var allItems=$('div.all-items');
var accesoryItems=$('div.accesories');
对于(变量i=0;i
当然,您需要添加必要的if-else if
以将视图添加到特定的div。您可以尝试以下方法:
function filterItems(itemType) {
return data.filter(function(i) {return i[itemType] !== undefined});
}
这对于IE9+和现代浏览器应该没问题。Hey@Ele,你能详细说明你的答案吗,我不太明白你的意思。
for(var I=0;I
与上面的代码一起使用“all items”容器中的某些项由于某种原因而丢失,我不知道为什么。我希望所有项也都在该容器中。我只是想澄清一下,对于(var I=0;Ifunction filterItems(itemType) {
return data.filter(function(i) {return i[itemType] !== undefined});
}