HTML onloadstart Attribute

Last Updated : 29 Oct, 2020

The HTML onloadstart Attribute is an event attribute that occurs when the loading process of a specified audio/video starts.

Syntax:

<element onloadstart="myScript">

Attribute Value: This attribute contains a single value script that works when onloadstart event attribute call. This attribute is supported by <audio> and <video> tags.

Example:

<!DOCTYPE html>  
<html>  
  
<head>  
    <title>  
        HTML  onloadstart Attribute  
    </title>  
</head>  
  
<body>  
    <center>  
        <h1 style="color:green">  
        GeeksforGeeks  
    </h1>  
        <h2>DOM onloadstart Attribute</h2>  
        <audio controls id="audId">  
        <source src=  
"https://media.geeksforgeeks.org/wp-content/uploads/20190625153922/frog.mp3"
        type="audio/mpeg"> 
        </audio>  
  
        <script>  
            document.getElementById(  
            "audId").addEventListener(  
            "loadstart", GFGFun);  
  
            function GFGFun() {  
                alert("Start the load audio");  
            }  
        </script>  
    </center>  
</body>  
  
</html>                     