使用CSS和Javascript的文本悬停效果
# 使用CSS和Javascript的文本悬停效果> 本节主要使用HTML+CSS+JAVASCRIPT实现一个鼠标移入文本文字颜色逐个改变的效果。
## 演示效果
## HTML
```
<!doctype html>
<html lang='en'>
<head>
<meta charset='UTF-8'>
<title>使用CSS和Javascript的文本悬停效果</title>
<link rel='stylesheet' href='style.css'>
</head>
<body>
<h2 class='text'>Text Hover Effects</h2>
<script src='script.js'></script>
</body>
</html>
```
## CSS
```
@import url('https://fonts.googleapis.com/css?family=Poppins:700&display=swap');
* {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: Poppins, sans-serif;
}
body {
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
background: #222;
}
h2 {
position: relative;
font-size: 3em;
letter-spacing: 0.05em;
text-transform: uppercase;
font-weight: 700;
}
h2 span {
color: #555;
transition: 0.25s;
}
h2:hover span {
color: #0f0;
text-shadow: 0 0 5px #0f0, 0 0 15px #0f0, 0 0 30px #0f0;
}
```
## JAVASCRIPT
```
let text = document.querySelector('.text')
text.innerHTML = text.innerText.split('').map((letters, i) => {
return `<span style='transition-delay: ${i * 40}ms; filter: hue-rotate(${i * 30}deg)'>${letters}</span>`
}).join('')
```
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