javascript怎么修改td的值

javascriptjavascript 2023-08-29 13:59:15 653
摘要： javascript修改td的值方法1：利用innerHTML属性<!DOCTYPEhtml><html>        <head>                <metacharset="utf-8">        </head>        <body>                <tableborder="1">                        <tr>                                <th>商品</th>                                <th>价格</th>                        </t...

javascript修改td的值

方法1：利用innerHTML属性

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
	</head>
	<body>
		<table border="1">
			<tr>
				<th>商品</th>
				<th>价格</th>
			</tr>
			<tr>
				<td>T恤</td>
				<td id="xg">￥100</td>
			</tr>
			<tr>
				<td>牛仔褂</td>
				<td>￥250</td>
			</tr>
			<tr>
				<td>牛仔库</td>
				<td>￥150</td>
			</tr>
		</table>
		<button onclick="myFunction()">修改td的值</button>
		<script type="text/javascript">
			function myFunction() {
				var xtd = document.getElementById('xg');
				xtd.innerHTML = "￥120";
				xtd.style.color="red";
			}
		</script>
	</body>
</html>

1.gif

方法2：利用innerText属性

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
	</head>
	<body>
		<table border="1">
			<tr>
				<th>商品</th>
				<th>价格</th>
			</tr>
			<tr>
				<td>T恤</td>
				<td>￥100</td>
			</tr>
			<tr>
				<td>牛仔褂</td>
				<td id="xg">￥250</td>
			</tr>
			<tr>
				<td>牛仔库</td>
				<td>￥150</td>
			</tr>
		</table>
		<button onclick="myFunction()">修改td的值</button>
		<script type="text/javascript">
			function myFunction() {
				var xtd = document.getElementById('xg');
				xtd.innerText = "￥200";
				xtd.style.color="red";
			}
		</script>
	</body>
</html>

2.gif

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