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This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
The unloadEventEnd
property returns a timestamp
representing the time value equal to the time immediately after the user agent finishes the unload event of the previous document. If there is no previous document, this property value is 0
.
This property is Read only .
Syntax
perfEntry.unloadEventEnd;
Return Value
A timestamp
representing a time value equal to the time immediately after the user agent finishes the unload event of the previous document.
Example
The following example illustrates this property's usage.
function print_nav_timing_data() {
// Use getEntriesByType() to just get the "navigation" events
var perfEntries = performance.getEntriesByType("navigation");
for (var i=0; i < perfEntries.length; i++) {
console.log("= Navigation entry[" + i + "]");
var p = perfEntries[i];
// dom Properties
console.log("DOM content loaded = " + (p.domContentLoadedEventEnd - p.domContentLoadedEventStart));
console.log("DOM complete = " + p.domComplete);
console.log("DOM interactive = " + p.interactive);
// document load and unload time
console.log("document load = " + (p.loadEventEnd - p.loadEventStart));
console.log("document unload = " + (p.unloadEventEnd - p.unloadEventStart));
// other properties
console.log("type = " + p.type);
console.log("redirectCount = " + p.redirectCount);
}
}
Specifications
Specification | Status | Comment |
---|---|---|
Navigation Timing Level 2 The definition of 'unloadEventEnd' in that specification. |
Editor's Draft | Initial definition. |