<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>素材 | 实时字符计数器</title>
<link rel="icon" href="https://haiyong.site/img/favicon.png" sizes="192x192" />
<style media="screen">
@import url('https://fonts.googleapis.com/css2?family=Roboto&display=swap');
* {
box-sizing: border-box;
margin: 0;
padding: 0;
}
body {
background: url("https://img-blog.csdnimg.cn/6786619ec66e41a7875a01375f28b0da.png" );
background-repeat: no-repeat;
background-position: center;
background-size: cover;
height: 100vh;
display: flex;
align-items: center;
justify-content: center;
font-family: 'Roboto', sans-serif;
}
.container {
width: 500px;
padding: 40px;
background-color: white;
display: flex;
flex-direction: column;
box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
border-radius: 5px;
}
.container h2 {
font-size: 2rem;
margin: -40px -40px 50px -40px;
text-align: center;
background: rgb(29, 98, 203);
color: #fff;
}
.container textarea {
position: relative;
margin-bottom: 20px;
resize: none;
height: 200px;
width: 100% !important;
padding: 10px;
border: none;
border-radius: 5px;
outline: none;
font-size: 1rem;
font-family: 'Roboto', sans-serif;
box-shadow: 0 0 10px rgba(0,139,253,0.45);
letter-spacing: 0.1rem;
}
.container p {
display: flex;
align-items: center;
font-size: 1.25rem;
color: #333;
}
.container p .counter {
font-size: 2rem;
color:#0fb612;
box-shadow: 0 0 10px rgba(0,139,253,0.45);
width: 40px;
height: 40px;
text-align: center;
font-weight: 700;
margin-left: 10px;
}
.page-footer {
position: fixed;
right: 35px;
bottom: 20px;
display: flex;
align-items: center;
padding: 5px;
color: black;
background: rgba(255, 255, 255, 0.65);
}
.page-footer a {
display: flex;
margin-left: 4px;
}
.touxiang{
bottom: 0px;
width:30px;
height:30px;
}
</style>
</head>
<body>
<div class="container">
<h2>实时字符计数器</h2>
<textarea name="textarea" id="textarea" cols="30" rows="10" placeholder="输入你的文字" onkeyup="countingCharacter();"></textarea>
<p>您输入的字符总数: <span class="counter">0</span></p>
</div>
<script type="text/javascript">
const textarea = document.querySelector('textarea');
const counter = document.querySelector('.counter');
function countingCharacter() {
const text = textarea.value;
const textLength = textarea.value.length;
counter.innerText = `${textLength}`;
}
</script>
</body>
</html>
