doc: unify section structures
PR-URL: https://github.com/nodejs/node/pull/20028 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
This commit is contained in:
parent
887f4c54ce
commit
715d7f31b3
@ -340,12 +340,16 @@ The high resolution millisecond timestamp at which the V8 platform was
|
||||
initialized.
|
||||
|
||||
|
||||
## Class: PerformanceObserver(callback)
|
||||
## Class: PerformanceObserver
|
||||
|
||||
### new PerformanceObserver(callback)
|
||||
<!-- YAML
|
||||
added: v8.5.0
|
||||
-->
|
||||
|
||||
* `callback` {Function} A `PerformanceObserverCallback` callback function.
|
||||
* `callback` {Function}
|
||||
* `list` {PerformanceObserverEntryList}
|
||||
* `observer` {PerformanceObserver}
|
||||
|
||||
`PerformanceObserver` objects provide notifications when new
|
||||
`PerformanceEntry` instances have been added to the Performance Timeline.
|
||||
@ -364,69 +368,16 @@ obs.observe({ entryTypes: ['mark'], buffered: true });
|
||||
|
||||
performance.mark('test');
|
||||
```
|
||||
|
||||
Because `PerformanceObserver` instances introduce their own additional
|
||||
performance overhead, instances should not be left subscribed to notifications
|
||||
indefinitely. Users should disconnect observers as soon as they are no
|
||||
longer needed.
|
||||
|
||||
### Callback: PerformanceObserverCallback(list, observer)
|
||||
<!-- YAML
|
||||
added: v8.5.0
|
||||
-->
|
||||
|
||||
* `list` {PerformanceObserverEntryList}
|
||||
* `observer` {PerformanceObserver}
|
||||
|
||||
The `PerformanceObserverCallback` is invoked when a `PerformanceObserver` is
|
||||
The `callback` is invoked when a `PerformanceObserver` is
|
||||
notified about new `PerformanceEntry` instances. The callback receives a
|
||||
`PerformanceObserverEntryList` instance and a reference to the
|
||||
`PerformanceObserver`.
|
||||
|
||||
### Class: PerformanceObserverEntryList
|
||||
<!-- YAML
|
||||
added: v8.5.0
|
||||
-->
|
||||
|
||||
The `PerformanceObserverEntryList` class is used to provide access to the
|
||||
`PerformanceEntry` instances passed to a `PerformanceObserver`.
|
||||
|
||||
#### performanceObserverEntryList.getEntries()
|
||||
<!-- YAML
|
||||
added: v8.5.0
|
||||
-->
|
||||
|
||||
* Returns: {PerformanceEntry[]}
|
||||
|
||||
Returns a list of `PerformanceEntry` objects in chronological order
|
||||
with respect to `performanceEntry.startTime`.
|
||||
|
||||
#### performanceObserverEntryList.getEntriesByName(name[, type])
|
||||
<!-- YAML
|
||||
added: v8.5.0
|
||||
-->
|
||||
|
||||
* `name` {string}
|
||||
* `type` {string}
|
||||
* Returns: {PerformanceEntry[]}
|
||||
|
||||
Returns a list of `PerformanceEntry` objects in chronological order
|
||||
with respect to `performanceEntry.startTime` whose `performanceEntry.name` is
|
||||
equal to `name`, and optionally, whose `performanceEntry.entryType` is equal to
|
||||
`type`.
|
||||
|
||||
#### performanceObserverEntryList.getEntriesByType(type)
|
||||
<!-- YAML
|
||||
added: v8.5.0
|
||||
-->
|
||||
|
||||
* `type` {string}
|
||||
* Returns: {PerformanceEntry[]}
|
||||
|
||||
Returns a list of `PerformanceEntry` objects in chronological order
|
||||
with respect to `performanceEntry.startTime` whose `performanceEntry.entryType`
|
||||
is equal to `type`.
|
||||
|
||||
### performanceObserver.disconnect()
|
||||
<!-- YAML
|
||||
added: v8.5.0
|
||||
@ -482,6 +433,51 @@ for (let n = 0; n < 3; n++)
|
||||
performance.mark(`test${n}`);
|
||||
```
|
||||
|
||||
## Class: PerformanceObserverEntryList
|
||||
<!-- YAML
|
||||
added: v8.5.0
|
||||
-->
|
||||
|
||||
The `PerformanceObserverEntryList` class is used to provide access to the
|
||||
`PerformanceEntry` instances passed to a `PerformanceObserver`.
|
||||
|
||||
### performanceObserverEntryList.getEntries()
|
||||
<!-- YAML
|
||||
added: v8.5.0
|
||||
-->
|
||||
|
||||
* Returns: {PerformanceEntry[]}
|
||||
|
||||
Returns a list of `PerformanceEntry` objects in chronological order
|
||||
with respect to `performanceEntry.startTime`.
|
||||
|
||||
### performanceObserverEntryList.getEntriesByName(name[, type])
|
||||
<!-- YAML
|
||||
added: v8.5.0
|
||||
-->
|
||||
|
||||
* `name` {string}
|
||||
* `type` {string}
|
||||
* Returns: {PerformanceEntry[]}
|
||||
|
||||
Returns a list of `PerformanceEntry` objects in chronological order
|
||||
with respect to `performanceEntry.startTime` whose `performanceEntry.name` is
|
||||
equal to `name`, and optionally, whose `performanceEntry.entryType` is equal to
|
||||
`type`.
|
||||
|
||||
### performanceObserverEntryList.getEntriesByType(type)
|
||||
<!-- YAML
|
||||
added: v8.5.0
|
||||
-->
|
||||
|
||||
* `type` {string}
|
||||
* Returns: {PerformanceEntry[]}
|
||||
|
||||
Returns a list of `PerformanceEntry` objects in chronological order
|
||||
with respect to `performanceEntry.startTime` whose `performanceEntry.entryType`
|
||||
is equal to `type`.
|
||||
|
||||
|
||||
## Examples
|
||||
|
||||
### Measuring the duration of async operations
|
||||
|
@ -42,7 +42,9 @@ decoder.write(Buffer.from([0x82]));
|
||||
console.log(decoder.end(Buffer.from([0xAC])));
|
||||
```
|
||||
|
||||
## Class: new StringDecoder([encoding])
|
||||
## Class: StringDecoder
|
||||
|
||||
### new StringDecoder([encoding])
|
||||
<!-- YAML
|
||||
added: v0.1.99
|
||||
-->
|
||||
|
@ -92,7 +92,7 @@ const customTypesMap = {
|
||||
'PerformanceNodeTiming':
|
||||
'perf_hooks.html#perf_hooks_class_performancenodetiming_extends_performanceentry', // eslint-disable-line max-len
|
||||
'PerformanceObserver':
|
||||
'perf_hooks.html#perf_hooks_class_performanceobserver_callback',
|
||||
'perf_hooks.html#perf_hooks_class_performanceobserver',
|
||||
'PerformanceObserverEntryList':
|
||||
'perf_hooks.html#perf_hooks_class_performanceobserverentrylist',
|
||||
|
||||
|
Loading…
x
Reference in New Issue
Block a user