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Rows and Cols are the number of characters that are going to fit in the textarea rather than pixels or some other potentially arbitrary value. Go with the rows/cols.
The HTML <textarea> cols Attribute is used to tell the browser how many average-width characters should fit on a single line i.e the number of columns to display. It is used to specify the visible width of the <Textarea> Element.
The cols attribute specifies the visible width of a text area. Tip: The size of a textarea can also be set by the CSS height and width properties.
<textarea rows="4" cols="50"></textarea>
It is equivalent to:
textarea {
height: 4em;
width: 50em;
}
where 1em is equivalent to the current font size, thus make the text area 50 chars wide. see here.
width and height are used when going the css route.
<!DOCTYPE html>
<html>
<head>
<title>Setting Width and Height on Textareas</title>
<style>
.comments { width: 300px; height: 75px }
</style>
</head>
<body>
<textarea class="comments"></textarea>
</body>
</html>
I don't think you can. I always go with height and width.
textarea{
width:400px;
height:100px;
}
the nice thing about doing it the CSS way is that you can completely style it up. Now you can add things like:
textarea{
width:400px;
height:100px;
border:1px solid #000000;
background-color:#CCCCCC;
}
As far as I know, you can't.
Besides, that isnt what CSS is for anyway. CSS is for styling and HTML is for markup.
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