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 that represents the width of a textarea in characters.
Example 1: HTML program to illustrate setting the DOM Textarea cols Property.
html
<!DOCTYPE html> < html > < head > < title >DOM Textarea cols Property</ title > </ head > < body > < h1 style = "color: green;" > w3wiki </ 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 Beginner. </ textarea > < br > < button type = "button" onclick = "myBeginner()" > Submit </ button > < script > function myBeginner() { document.getElementById("GFG").cols = "50"; } </ script > </ body > </ html > |
Output:
Example 2: HTML program to illustrate the return of the DOM Textarea cols Property.
html
<!DOCTYPE html> < html > < head > < title >DOM Textarea cols Property</ title > </ head > < body > < h1 style = "color: green;" > w3wiki </ 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 Beginner. </ textarea > < br > < button type = "button" onclick = "myBeginner()" > Submit </ button > < p id = "sudo" ></ p > < script > function myBeginner() { let g = document.getElementById("GFG").cols; document.getElementById( "sudo").innerHTML = "There are " + g + " columns in a textarea width."; } </ script > </ body > </ html > |
Output:
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