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October 20, 2017 14:18
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Debounce and throttle function's decorator jQuery plugin
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/** | |
* Debounce and throttle helper function's | |
* | |
* https://remysharp.com/2010/07/21/throttling-function-calls | |
* | |
* Examples: | |
* $('input.username').keypress(debounce(function (event) { | |
* // do the Ajax request | |
* }, 250)); | |
* | |
* $('body').on('mousemove', throttle(function (event) { | |
* console.log('tick'); | |
* }, 1000)); | |
* | |
*/ | |
(function() { | |
function debounce(fn, delay) { | |
var timer = null; | |
return function () { | |
var context = this, args = arguments; | |
clearTimeout(timer); | |
timer = setTimeout(function () { | |
fn.apply(context, args); | |
}, delay); | |
}; | |
} | |
function throttle(fn, threshhold, scope) { | |
threshhold || (threshhold = 250); | |
var last, | |
deferTimer; | |
return function () { | |
var context = scope || this; | |
var now = +new Date, | |
args = arguments; | |
if (last && now < last + threshhold) { | |
// hold on to it | |
clearTimeout(deferTimer); | |
deferTimer = setTimeout(function () { | |
last = now; | |
fn.apply(context, args); | |
}, threshhold); | |
} else { | |
last = now; | |
fn.apply(context, args); | |
} | |
}; | |
} | |
})(); |
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Do you have a patch to avoid
arguments.callee
on line 58?