[英]How to add font awesome icon dynamically from JS file?
我正在嘗試將字體真棒圖標添加到我的問候語功能中,因此在每個問候語標題中將附加一個不同的字體真棒圖標。
我嘗試以傳統方式進行操作,但是javaScript將html打印為文本,現在標題看起來像這樣:
Good Morning<i class="fas fa-sun"></i>
```javascript
function goodSomething() {
let today = new Date();
let curHr = today.getHours();
if (curHr < 12) {
document.getElementById('greetings').innerText = "Good Morning" + '<i class="fas fa-sun"></i>';
} else if (curHr < 18) {
document.getElementById('greetings').innerText = "Good Afternoon" + '<i class="fas fa-coffee"></i>';
} else {
document.getElementById('greetings').innerText = "Good Evening" + '<i class="fas fa-moon"></i>';
}
};
我期望輸出:
早上好+(太陽圖標)
下午好+(咖啡圖標)
晚上好+(月亮圖標)
您應該使用innerHTML
而不是要更改html而不是元素文本的innerText
。
<i class="fas fa-sun"></i> //This is string representing html
以下是兩個片段,它們將顯示差異
document.getElementById("test").innerText = `<i class="fas fa-sun">`
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.8.1/css/all.css" integrity="sha384-50oBUHEmvpQ+1lW4y57PTFmhCaXp0ML5d60M1M7uH2+nqUivzIebhndOJK28anvf" crossorigin="anonymous"> <div id="test"></div>
document.getElementById("test").innerHTML = `<i class="fas fa-sun">`
<div id="test"></div> <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.8.1/css/all.css" integrity="sha384-50oBUHEmvpQ+1lW4y57PTFmhCaXp0ML5d60M1M7uH2+nqUivzIebhndOJK28anvf" crossorigin="anonymous">
此外,您還可以通過使用對象數組來清潔和動態化。
function goodSomething() {
let curHr = new Date().getHours();
const conds = [
{cond:curHr < 12, icon:"sun", time:"Morning"},
{cond:curHr < 18, icon:"coffee", time:"Afternoon"},
{cond:true, icon:"moon", time:"Evening"}
]
let {time,icon} = conds.find(x => x.cond);
document.getElementById('greetings').innerHTML = `Good ${time} <i class="fas fa-${icon}"></i>`
};
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