HTML | DOM Textarea cols Property
The DOM Textarea cols Property is used to set or return the value of the cols attribute of a textarea field. The cols attribute how many average-width characters should fit on a single line.
Syntax:
- It is used to return the cols property.
textareaObject.cols
- It is used to Set the cols property:
textareaObject.cols = number
Property Values:
- number: It specifies the width of the textarea fields. It has a Default value i.e 20.
Return Value: It returns a numeric value which represent the width of a textarea in characters.
Example-1: HTML program to illustrate set the DOM Textarea cols Property.
html
<!DOCTYPE html><html><head> <title>DOM Textarea cols Property</title> <style> h1, h2 { text-align: center; } </style></head><body> <h1 style="color: green;"> GeeksforGeeks </h1> <h2> DOM Textarea cols Property </h2> <!-- Below textarea is assigned a cols value 25 That is, 25 characters will fit in a line --> <textarea id="GFG" rows="4" cols="25"> A computer science portal for geeks. </textarea> <button type="button" onclick="myGeeks()">Submit</button> <script> function myGeeks() { document.getElementById("GFG").cols = "100"; } </script></body></html> |
Output:
Before Clicking On Button:
After Clicking On Button:
Example-2: HTML program to illustrate return the DOM Textarea cols Property.
html
<!DOCTYPE html><html><head> <title>DOM Textarea cols Property</title> <style> h1, h2 { text-align: center; } </style></head><body> <h1 style="color: green;"> GeeksforGeeks </h1> <h2> DOM Textarea cols Property </h2> <!-- Below textarea is assigned a cols value 25 That is, 25 characters will fit in a line --> <textarea id="GFG" rows="4" cols="25"> A computer science portal for geeks. </textarea> <button type="button" onclick="myGeeks()">Submit</button> <p id="sudo"></p> <script> function myGeeks() { var g = document.getElementById("GFG").cols; document.getElementById( "sudo").innerHTML = "There are " + g + " columns in a textarea width."; } </script></body></html> |
Output:
Before Clicking On Button:
After Clicking On Button:
Note: Both “textareaObject.cols” and “style.width” work as same.
Supported Browsers: The browser supported by Textarea cols Property are listed below:
- Google Chrome 1 and above
- Edge 12 and above
- Internet Explorer 6 and above
- Firefox 1 and above
- Opera 12.1 and above
- Safari 4 and above
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