loadeddata | onloadeddata event
Occurs when media data is loaded at the current playback position.
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Syntax
| HTML Attribute | <element onloadeddata = "handler(event)"> |
|---|---|
| Event Property | object.onloadeddata = handler; |
| addEventListener Method | object.addEventListener("loadeddata", handler, useCapture) |
Event information
| Synchronous | No |
|---|---|
| Bubbles | No |
| Cancelable | No |
Event handler parameters
- handler [in]
-
Type: function
Event handler object.
Standards information
- HTML5 A vocabulary and associated APIs for HTML and XHTML, Section 4.8.9.12
Remarks
The onloadeddata event is raised when data for the immediate current playback position is available. However, when the event fires, it doesn't guarantee that enough data is available to successfully begin playback.
This event occurs after onloadedmetadata and before oncanplay.
To invoke this event, do one of the following:
- Load a media resource.
Note The Windows load event is delayed if there is media network activity.
Examples
This example displays a number of media events.
// content has loaded, display buttons and set up events
video.addEventListener("canplay", function () {
document.getElementById("buttonbar").style.display = "block";
}, false);
// display video duration when available
video.addEventListener("loadedmetadata", function () {
vLength = video.duration.toFixed(1);
document.getElementById("vLen").textContent = vLength; // global variable
}, false);
// display the current and remaining times
video.addEventListener("timeupdate", function () {
// Current time
var vTime = video.currentTime;
document.getElementById("curTime").textContent = vTime.toFixed(1);
document.getElementById("vRemaining").textContent = (vLength - vTime).toFixed(1);
}, false);
// paused and playing events to control buttons
video.addEventListener("pause", function () {
document.getElementById("play").textContent = ">";
}, false);
video.addEventListener("playing", function () {
document.getElementById("play").textContent = "||";
}, false);
video.addEventListener("volumechange", function () {
if (video.muted) {
// if muted, show mute image
document.getElementById("mute").innerHTML = "<img alt='volume off button' src='mute2.png' />";
} else {
// if not muted, show not muted image
document.getElementById("mute").innerHTML = "<img alt='volume on button' src='vol2.png' />";
}
}, false);
// Download and playback status events.
video.addEventListener("loadstart", function () {
document.getElementById("ls").textContent = "Started";
}, false);
video.addEventListener("loadeddata", function () {
document.getElementById("ld").textContent = "Data was loaded";
}, false);
video.addEventListener("ended", function () {
document.getElementById("ndd").textContent = "Playback ended";
}, false);
video.addEventListener("emptied", function () {
document.getElementById("mt").textContent = "Video reset";
}, false);
video.addEventListener("stalled", function () {
document.getElementById("stall").textContent = "Download was stalled";
}, false);
video.addEventListener("waiting", function () {
document.getElementById("waiting").textContent = "Player waited for content";
}, false);
video.addEventListener("progress", function () {
pgFlag += "+";
if (pgFlag.length > 10) {
pgFlag = "+";
}
document.getElementById("pg").textContent = pgFlag;
}, false);
video.addEventListener("durationchange", function () {
document.getElementById("dc").textContent = "Duration has changed";
}, false);
video.addEventListener("canplaythrough", function () {
document.getElementById("cpt").textContent = "Ready to play whole video";
}, false);
See also
- audio
- audio
- document
- source
- video element
- video object
- window
- Reference
- How to use HTML5 to play video files on your webpage
- oncanplay
- oncanplaythrough
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