$interval
service in module ng
Description
Angular's wrapper for window.setInterval. The fn function is executed every delay milliseconds.
The return value of registering an interval function is a promise. This promise will be notified upon each tick of the interval, and will be resolved after count iterations, or run indefinitely if count is not defined. The value of the notification will be the number of iterations that have run. To cancel an interval, call $interval.cancel(promise).
In tests you can use $interval.flush(millis) to move forward by millis milliseconds and trigger any functions scheduled to run in that time.
Usage
- $interval(fn, delay[, count][, invokeApply]);
Parameters
| Param | Type | Details |
|---|---|---|
| fn | function() | A function that should be called repeatedly. |
| delay | number | Number of milliseconds between each function call. |
| count (optional) | number | Number of times to repeat. If not set, or 0, will repeat indefinitely. (default: 0) |
| invokeApply (optional) | boolean |
If set to false skips model dirty checking, otherwise will invoke fn within the $apply block.
(default: true)
|
Returns
| promise | A promise which will be notified on each iteration. |
Methods
Cancels a task associated with the promise.
Parameters
ParamTypeDetailspromisenumber
Promise returned by the $interval function.
Returns
Returns true if the task was successfully canceled.
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