This feature is not Baseline because it does not work in some of the most widely-used browsers.
The element read-only property of the LargestContentfulPaint interface returns an object representing the Element that is the largest contentful paint.
An Element.
This example uses a PerformanceObserver notifying of new largest-contentful-paint performance entries as they are recorded in the browser's performance timeline. The buffered option is used to access entries from before the observer creation.
const observer = new PerformanceObserver((list) => {
const entries = list.getEntries();
const lastEntry = entries[entries.length - 1]; // Use the latest LCP candidate
console.log(lastEntry.element);
});
observer.observe({ type: "largest-contentful-paint", buffered: true });
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
element |
77 | 79 | 122 | 64 | No | 77 | 122 | 55 | No | 12.0 | 77 | No |
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https://developer.mozilla.org/en-US/docs/Web/API/LargestContentfulPaint/element