Function

throttle (target, method, args*, spacing, immediate) Array public

Module:	@ember/runloop

Defined in packages/ember-metal/lib/run_loop.js:697

import { throttle } from '@ember/runloop';

target

Object

target of method to invoke

method

Function|String

The method to invoke. May be a function or a string. If you pass a string then it will be looked up on the passed target.

args*

Object

Optional arguments to pass to the timeout.

spacing

Number

Number of milliseconds to space out requests.

immediate

Boolean

Trigger the function on the leading instead of the trailing edge of the wait interval. Defaults to true.

returns

Array

Timer information for use in canceling, see `run.cancel`.

Ensure that the target method is never called more frequently than the specified spacing period. The target method is called immediately.

import { throttle } from '@ember/runloop';

function whoRan() {
  console.log(this.name + ' ran.');
}

let myContext = { name: 'throttle' };

throttle(myContext, whoRan, 150);
// whoRan is invoked with context myContext
// console logs 'throttle ran.'

// 50ms passes
throttle(myContext, whoRan, 150);

// 50ms passes
throttle(myContext, whoRan, 150);

// 150ms passes
throttle(myContext, whoRan, 150);
// whoRan is invoked with context myContext
// console logs 'throttle ran.'