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JS Native debounce function
// from : http://qnimate.com/javascript-limit-function-call-rate/
function debounce(func, wait, immediate) {
var timeout;
return function() {
var context = this,
args = arguments;
var later = function() {
timeout = null;
if (!immediate) func.apply(context, args);
};
var callNow = immediate && !timeout;
clearTimeout(timeout);
timeout = setTimeout(later, wait);
if (callNow) func.apply(context, args);
};
};
var logging = debounce(function(){
alert("Heavy task");
}, 5000);
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