PerformanceElementTiming.url

The url read-only property of the PerformanceElementTiming interface returns the initial URL of the resource request when the element is an image.

Syntax

var url = PerformanceElementTiming.url;

Value

A DOMString which is the initial URL of the resources request for images or 0 for text.

Examples

In this example calling entry.url returns https://example.com/image.jpg.

<img src="https://example.com/image.jpg" alt="a nice image" elementtiming="big-image" id="myImage">
const observer = new PerformanceObserver((list) => {
  let entries = list.getEntries().forEach(function (entry) {
    if (entry.identifier === "big-image") {
      console.log(entry.url);
    }
  });
});
observer.observe({ entryTypes: ["element"] });

This example uses the PerformanceObserver interface to create a list of performance measurement events. In our case we observe the PerformanceEntry.entrytype element in order to use the PerformanceElementTiming interface.

Specifications

Specification Status Comment
Unknown
The definition of 'PerformanceElementTiming.url' in that specification.
Unknown Initial definition.

Browser compatibility

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