<!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>Hidden Search</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="search">
<input type="text" class="input" placeholder="Search...">
<button class="btn">
<i class="iconfont icon-search"></i>
</button>
</div>
<script src="./script.js"></script>
</body>
</html>
@import "../assets//iconfont/iconfont.css";
*{
box-sizing: border-box;
}
body{
background-color: #8EC5FC;
background-image: linear-gradient(156deg, #8EC5FC 0%, #E0C3FC 50%, #a5b4fc 100%);
height: 100vh;
display: flex;
justify-content: center;
align-items: center;
margin: 0;
}
.search{
position: relative;
height: 50px;
}
.input{
width: 50px;
height: 50px;
padding: 15px;
border: 0;
background-color: #fff;
font-size: 18px;
transition: width 0.5s ease;
}
.btn{
position: absolute;
right: 0;
top: 0;
width: 50px;
height: 50px;
border: 0;
font-size: 24px;
font-weight: 700;
background-color: #fff;
cursor: pointer;
}
.btn:focus,
.input:focus
{
outline: none;
}
.search.active .input{
width: 200px;
}
const search = document.querySelector('.search')
const btn = document.querySelector('.btn')
const input = document.querySelector('.input')
btn.addEventListener('click', () => {
search.classList.toggle('active')
input.focus()
})
下图为结果展示
Q.E.D.