[英]How do I use ES6 template literal syntax with back-ticks to display each entry of the “result” object's failure array
[英]How can I display an array of strings of an object as spans in a JS template literal?
我有一組對象。 在每個 object 中都有一個value
字符串數組的key
(每個對象中字符串的數量會發生變化)。 如何在JS
模板文字中將數組的每個字符串顯示為<span>
?
如果數組包含 2 個字符串,則應顯示 2 個<span>
,如果包含 3 個字符串,則應顯示 3 個<span>
等。
代碼:
let items = [{
"id": 1,
"name": "item 1",
"captionTags": ["Stills", "Animation", "Virtual Reality"]
},
{
"id": 2,
"name": "item 2",
"captionTags": ["Configurator", "Animation", "Application"]
},
{
"id": 3,
"name": "item 3",
"captionTags": ["Stills", "Configurator"]
}];
function displayItems() {
let itemsContainer = document.querySelector('.items-container');
itemsContainer.innerHTML = '';
items.forEach(item => {
itemsContainer.innerHTML += `
<div class="items-wrapper">
<div class="item-caption">
<span class="item-caption-col">
<h3>${item.name}</h3>
<span class="item-caption-tags">
I WANT TO DISPLAY HERE EACH ELEMENT OF CAPTION TAGS ARRAY IN EACH OBJECT
AS SPANS
</span>
</span>
</div>
</div>`
});
};
displayItems();
預先感謝您的幫助!
map
在項目上, map
在返回字符串文字的標簽上。 但是因為map
返回一個新數組,所以確保在末尾join
它連接成一個字符串。
const items=[{id:1,name:"item 1",captionTags:["Stills","Animation","Virtual Reality"]},{id:2,name:"item 2",captionTags:["Configurator","Animation","Application"]},{id:3,name:"item 3",captionTags:["Stills","Configurator"]}]; function displayItems(items) { return items.map(item => { const captions = item.captionTags.map(tag => `<span>${tag}</span>`).join(''); return ( `<h3>${item.name}</h3><div>${captions}</div>` ); }).join(''); } document.querySelector('div').innerHTML = displayItems(items);
<div />
嘗試這個:
let items = [{ "id": 1, "name": "item 1", "captionTags": ["Stills", "Animation", "Virtual Reality"] }, { "id": 2, "name": "item 2", "captionTags": ["Configurator", "Animation", "Application"] }, { "id": 3, "name": "item 3", "captionTags": ["Stills", "Configurator"] }]; function displayItems() { let itemsContainer = document.querySelector('.items-container'); itemsContainer.innerHTML = ''; items.forEach(item => { itemsContainer.innerHTML += ` <div class="items-wrapper"> <div class="item-caption"> <span class="item-caption-col"> <h3>${item.name}</h3> `; item.captionTags.forEach(tag => { itemsContainer.innerHTML +=`<span class="item-caption-tags"> ${tag} </span>` }) itemsContainer.innerHTML +=` </span> </div> </div>` }); }; displayItems();
span.item-caption-tags { border: 1px solid black }
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <div class="items-container" > </div>
css
僅供參考
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