<!DOCTYPE html>
<html>
<head>
	<meta charset="UTF-8">
	<title>检测汉字个数</title>
	<style>
		.container {
			display: flex;
			flex-direction: column;
			align-items: center;
			justify-content: center;
			height: 100vh;
		}
		input[type="text"] {
			padding: 10px;
			margin-bottom: 10px;
			font-size: 16px;
		}
		button {
			padding: 10px 20px;
			background-color: #007bff;
			color: #fff;
			border: none;
			border-radius: 4px;
			cursor: pointer;
			font-size: 16px;
		}
		.result {
			font-size: 24px;
			font-weight: bold;
			text-align: center;
			margin-top: 20px;
		}
	</style>
</head>
<body>
	<div class="container">
		<h1>检测汉字个数</h1>
		<input type="text" id="input" placeholder="请输入汉字">
		<button onclick="count()">检测</button>
		<div class="result" id="result"></div>
	</div>
	<script>
		function count() {
			let input = document.getElementById("input").value;
			let pattern = /[\u4e00-\u9fa5]/g;
			let count = input.match(pattern).length;
			document.getElementById("result").innerHTML = "汉字个数为:" + count;
		}
	</script>
</body>
</html>
用html写一个可以检测多少汉字的dome需要CSS样式 需要居中显示

原文地址: https://www.cveoy.top/t/topic/Njj 著作权归作者所有。请勿转载和采集!

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