<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>js模仿文字输入特效</title>
<style>
html body {
margin: 0px;
padding: 0px;
}
.container {
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
}
/* 文本渐变色 */
.gradient-text {
background-image: linear-gradient(90deg, #f66, #f90);
-webkit-background-clip: text;
background-clip: text;
font-size: 38px;
-webkit-animation: hue 5s linear infinite;
animation: hue 5s linear infinite;
-webkit-text-fill-color: transparent;
}
@keyframes hue {
from {
filter: hue-rotate(0);
}
to {
filter: hue-rotate(-1turn);
}
}
</style>
</head>
<body>
<div class="container">
<p class="gradient-text">/* <span class="text"></span> */</p>
</div>
</body>
<script>
var array = [
'Hello World! Hello World! Hello World!',
`Math teacher says "I'm gonna transform!"`
]
let con = document.getElementsByClassName('text')[0]
async function Init() {
for (let i = 0; i < array.length; i++) {
const item = array[i];
await start(item)
await back(item)
}
}
function start(item) {
return new Promise((resolve, reject) => {
var index = 0;
var start_timer = setInterval(function () {
con.append(item.charAt(index));
if (index++ === item.length) {
clearInterval(start_timer)
resolve();
}
}, 100);
})
}
function back(item) {
return new Promise((resolve, reject) => {
var del_timer = setInterval(function () {
item = item.slice(0, -1);
con.innerHTML = item;
if (con.innerHTML.toString().length == 0) {
clearInterval(del_timer)
resolve();
}
}, 50);
})
}
Init()
</script>
</html>