HTML Audio / Video DOM loadstart event
HTML Audio / Video DOM Reference
Examples
Tip video has started loading:
myVid=document.getElementById("video1");
myVid.onloadstart=alert("Starting to load video");
myVid.onloadstart=alert("Starting to load video");
try it"
Definition and Usage
When the browser start looking specified audio / video, loadstart event occurs. That is, when the loading process begins.
When the audio / video is loading process will be followed by the following events occur:
Browser Support
All major browsers support loadstart event.
Note: 8 and earlier versions of Internet Explorer does not support the event.
grammar
In HTML:
<audio|video onloadstart=" SomeJavaScriptCode ">
In JavaScript:
audio|video .onloadstart= SomeJavaScriptCode ;
Use addEventListener ():
audio|video .addEventListener("loadstart", function()
{
//SomeJavaScriptCode
}
);
{
//SomeJavaScriptCode
}
);
technical details
| 以下 HTML 标签支持： | <audio>, <video> |
|---|---|
| 以下 JavaScript 对象支持： | Audio, Video |
More examples
Use onloadstart attributes on HTML elements
Use addEventListener () to listen for the event loadstart
HTML Audio / Video DOM Reference