TimeRanges: length property
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The TimeRanges.length read-only property returns the
number of ranges in the object.
Value
A number.
Examples
Given a video element with the ID "myVideo":
js
const v = document.getElementById("myVideo");
const buf = v.buffered;
const numRanges = buf.length;
if (buf.length === 1) {
// Only one range
if (buf.start(0) === 0 && buf.end(0) === v.duration) {
// The one range starts at the beginning and ends at
// the end of the video, so the whole thing is loaded
}
}
This example looks at the time ranges and looks to see if the entire video has been loaded.
Specifications
| Specification |
|---|
| HTML # dom-timeranges-length-dev |
Browser compatibility
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