HTML | DOM Textarea rows Property

Last Updated : 11 Feb, 2019

The DOM Textarea rows Property is used to set or return the value of a rows attribute of a textarea field. The rows attribute specify the number of visible text lines for the control i.e the number of rows to display.

Syntax:

It is used to Return the rows property:
```
textareaObject.rows
```
It is used to Set the rows property:
```
textareaObject.rows = number
```

Property Values:

number: It specifies a visible number of rows in a textarea field.

Return Value: It returns a numeric value which represent the height of a textarea field contains the characters.

Example-1: HTML program to illustrate set the DOM Textarea rows Property.

<!DOCTYPE html> 
<html> 
  
<head> 
    <title>DOM Textarea rows Property</title> 
    <style> 
        h1, 
        h2 { 
            text-align: center; 
        } 
    </style> 
</head> 
  
<body style="text-align:center;"> 
    <h1 style="color: green;">  
            GeeksforGeeks  
        </h1> 
  
    <h2>  
            DOM Textarea rows Property  
        </h2> 
  
    <!-- Below id assigned to Textarea Element -->
    <textarea id="GFG" rows="5" cols="23"> 
        This paragraph has number of rows equal to 5. 
    </textarea> 
    <br> 
    
    <button type="button" 
            onclick="myGeeks()"> 
      Submit 
    </button> 
  
    <script> 
        function myGeeks() { 
            
         // Access textarea element. 
          document.getElementById("GFG").rows =  
              "10"; 
        } 
    </script> 
</body> 
  
</html> 

Output :

Before Clicking On Button:

After Clicking On Button :

Example-2: HTML program to illustrate to return the DOM Textarea rows Property.

<!DOCTYPE html> 
<html> 
  
<head> 
    <title>DOM Textarea rows Property</title> 
    <style> 
        h1, 
        h2 { 
            text-align: center; 
        } 
    </style> 
</head> 
  
<body style="text-align:center;"> 
    <h1 style="color: green;">  
            GeeksforGeeks  
        </h1> 
  
    <h2>  
            DOM Textarea rows Property  
        </h2> 
  
    <!-- Below id assigned to Textarea Element -->
    <textarea id="GFG" rows="5" cols="23"> 
        This paragraph has number of rows equal to 5. 
    </textarea> 
    <br> 
    <button type="button" onclick="myGeeks()">Submit</button> 
    <p id="sudo"></p> 
    <script> 
        function myGeeks() { 
            
            // Return number of rows in the textare. 
            var x = document.getElementById("GFG").rows; 
            document.getElementById("sudo").innerHTML =  
              "There are" + x + " rows in a Textarea height."; 
        } 
    </script> 
</body> 
  
</html> 