import { default } from "https://dotland.deno.dev/x/lodash_es@v0.0.2/src/throttle.js";
Creates a throttled function that only invokes func
at most once per
every wait
milliseconds. The throttled function comes with a cancel
method to cancel delayed func
invocations and a flush
method to
immediately invoke them. Provide options
to indicate whether func
should be invoked on the leading and/or trailing edge of the wait
timeout. The func
is invoked with the last arguments provided to the
throttled function. Subsequent calls to the throttled function return the
result of the last func
invocation.
Note: If leading
and trailing
options are true
, func
is
invoked on the trailing edge of the timeout only if the throttled function
is invoked more than once during the wait
timeout.
If wait
is 0
and leading
is false
, func
invocation is deferred
until to the next tick, similar to setTimeout
with a timeout of 0
.
See David Corbacho's article
for details over the differences between _.throttle
and _.debounce
.
Examples
// Avoid excessively updating the position while scrolling.
jQuery(window).on('scroll', _.throttle(updatePosition, 100));
// Avoid excessively updating the position while scrolling. jQuery(window).on('scroll', _.throttle(updatePosition, 100));
// Invoke renewToken
when the click event is fired, but not more than once every 5 minutes.
var throttled = _.throttle(renewToken, 300000, { 'trailing': false });
jQuery(element).on('click', throttled);
// Cancel the trailing throttled invocation. jQuery(window).on('popstate', throttled.cancel);