Performance: resourcetimingbufferfull event

The resourcetimingbufferfull event is fired when the browser's resource timing buffer is full.

Syntax

Use the event name in methods like addEventListener(), or set an event handler property.

js
addEventListener("resourcetimingbufferfull", (event) => {});

onresourcetimingbufferfull = (event) => {};

Event type

A generic Event.

Examples

Increasing size when buffer is full

The following example listens for the resourcetimingbufferfull event and increases the buffer size using the setResourceTimingBufferSize() method.

js
function increaseFilledBufferSize(event) {
  console.log(
    "WARNING: Resource Timing Buffer is FULL! Increasing buffer size to 500.",
  );
  performance.setResourceTimingBufferSize(500);
}

performance.addEventListener(
  "resourcetimingbufferfull",
  increaseFilledBufferSize,
);

Specifications

Specification
Resource Timing
# dom-performance-onresourcetimingbufferfull

Browser compatibility

BCD tables only load in the browser

See also