HTML | DOM Textarea rows Property

Last Updated : 31 Jul, 2022

The DOM Textarea rows Property is used to set or return the value of a rows attribute of a textarea field. The rows attribute specifies 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. It has a default value which is 2.

Return Value: It returns a numeric value that represents the height of a textarea field containing the characters.

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

HTML

<!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() {
          
         // Change the number of rows in a Textarea
          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.

HTML

<!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>