所属分类：web前端开发
使用HTML中的cols属性来显示文本区域的可见宽度。您可以尝试运行以下代码来实现cols属性−
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<html>
<body>
<textarea rows="3" cols="40">
This is a demo paragraph. This is a demo paragraph.
This is a demo paragraph. This is a demo paragraph.
</textarea>
</body>
</html>
