HTML DOM Marquee width Property

Last Updated : 21 Feb, 2022

The HTML DOM Marquee width property is used to set or return the value of the width attribute of the <marquee> element.

Syntax:

It returns the marquee width property.
```
marqueeObject.width;
```
It sets the marquee width property.
```
marqueeObject.width="px/%"
```

Property values:

px: It defines the width value of the marquee.
%: It defines the width value of the marquee.

Note: This property is not supported by HTML5.

Example 1: Below HTML code returns the marquee width property.

HTML

<!DOCTYPE html> 
<html> 
    <head> 
        <title> 
            HTML DOM Marquee width property 
        </title> 
    </head> 
      
    <body style="text-align:center;"> 
      
        <h1 style="color:green;"> 
            GeeksforGeeks 
        </h1> 
          
        <h2>DOM Marquee width Property</h2> 
          
        <marquee id="marqueeID" direction="right" loop="3" 
                 bgcolor="green" width="250px" height="40px"> 
            GeeksforGeeks:A computer Science Portal for Geeks 
        </marquee>         
        <br><br> 
          
        <button onclick="btnClick()"> 
          Return width of marquee tag  
        </button> 
        <p id ="paraID"></p> 
  
        <script> 
            function btnClick() { 
                var txt = document.getElementById("marqueeID").width; 
               document.getElementById("paraID").innerHTML = txt; 
            } 
        </script>     
    </body> 
</html>

Output:

HTML DOM Marquee width Property

Example 2: Below HTML code sets the Marquee width property.

HTML

<!DOCTYPE html> 
<html> 
    <head> 
        <title> 
            HTML DOM Marquee width property 
        </title> 
    </head> 
      
    <body style="text-align:center;"> 
      
        <h1 style="color:green;"> 
            GeeksforGeeks 
        </h1> 
          
        <h2>DOM Marquee width Property</h2> 
          
        <marquee id="marqueeID" direction="right" loop="3" 
                 bgcolor="green" width="250px" height="40px"> 
            GeeksforGeeks:A computer Science Portal for Geeks 
        </marquee>         
        <br><br> 
          
        <button onclick="btnClick()"> 
           Change width of marquee tag  
        </button> 
         <p id ="paraID"></p> 
  
        <script> 
            function btnClick() { 
                var txt = document.getElementById("marqueeID").width = "100px"; 
                document.getElementById("paraID").innerHTML = txt; 
            } 
        </script>     
    </body> 
</html>