本例改变 textarea 的高度:
</>code
- <html>
- <head>
- <script type="text/javascript">
- function changeRows()
- {
document.getElementById('txt1').rows="15";
- }
- </script>
- </head>
- <body>
- <textarea id="txt1">
- Hello world....This is a text area
- </textarea>
- <br />
- <input type="button" onclick="changeRows()" value="Change height" />
- </body>
- </html>
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