JavaScript Reference/Javascript Properties/cols 3
"cols" Example
<html>
<body>
<textarea id="myText" rows="3" cols="15" onclick="ab();">
</textarea>
<br>
<button onclick="myText.cols=100;">Set width of Textarea to 100</button>
<button onclick="myText.rows=20;">Set height of Textarea to 20</button>
</body>
</html>
"cols" is applied to
+----------------+--------------------------------------------------------------+
| Applied_To |<textarea> |
+----------------+--------------------------------------------------------------+
"cols" Syntax and Note
Note:
Read and write property.
Sets the character width for <textarea>.
Syntax:
document.getElementById("textareaID").cols = value
document.all.textareaID.cols = value // IE only