Created
February 17, 2014 14:33
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throttle function
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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); | |
} | |
}; | |
} | |
//example | |
$('body').on('mousemove', throttle(function (event) { | |
console.log('tick'); | |
}, 1000)); |
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