This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The TaskAttributionTiming interface of the the Long Tasks API returns information about the work involved in a long task and its associate frame context. The frame context, also called the container is the iframe, embed or object etc. that is being implicated, on the whole, for a long task.
<div id="interfaceDiagram" style="display: inline-block; position: relative; width: 100%; padding-bottom: 11.666666666666666%; vertical-align: middle; overflow: hidden;"><svg style="display: inline-block; position: absolute; top: 0; left: 0;" viewbox="-50 0 600 70" preserveAspectRatio="xMinYMin meet"><a xlink:href="https://developer.mozilla.org/en-US/docs/Web/API/PerformanceEntry" target="_top"><rect x="1" y="1" width="160" height="50" fill="#fff" stroke="#D4DDE4" stroke-width="2px" /><text x="81" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">PerformanceEntry</text></a><polyline points="161,25 171,20 171,30 161,25" stroke="#D4DDE4" fill="none"/><line x1="171" y1="25" x2="201" y2="25" stroke="#D4DDE4"/><a xlink:href="https://developer.mozilla.org/en-US/docs/Web/API/TaskAttributionTiming" target="_top"><rect x="201" y="1" width="210" height="50" fill="#F4F7F8" stroke="#D4DDE4" stroke-width="2px" /><text x="306" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">TaskAttributionTiming</text></a></svg></div>
a:hover text { fill: #0095DD; pointer-events: all;}
Properties
TaskAttributionTiming.containerTypeRead only- Returns the type of frame container, one of
iframe,embed, orobject. TaskAttributionTiming.containerSrcRead only- Returns the container's
srcattribute. TaskAttributionTiming.containerIdRead only- Returns the container's
idattribute. TaskAttributionTiming.containerNameRead only- Returns the container's
Nameattribute.
Specifications
| Specification | Status | Comment |
|---|---|---|
| Long Tasks API 1 The definition of 'TaskAttributionTiming' in that specification. |
Working Draft | Initial definition. |
Browser Compatibility
We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 58 | ? | ? | ? | ? |
| Feature | Android Webview | Chrome for Android | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|
| Basic support | 58 | 58 | ? | ? | ? | ? | ? |

