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/**
* Debounce and throttle function's decorator plugin 1.0.5
*
* Copyright (c) 2009 Filatov Dmitry (alpha@zforms.ru)
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*
*/
(function($) {
$.extend({
debounce : function(fn, timeout, invokeAsap, ctx) {
if(arguments.length == 3 && typeof invokeAsap != 'boolean') {
ctx = invokeAsap;
invokeAsap = false;
}
var timer;
return function() {
var args = arguments;
ctx = ctx || this;
invokeAsap && !timer && fn.apply(ctx, args);
clearTimeout(timer);
timer = setTimeout(function() {
!invokeAsap && fn.apply(ctx, args);
timer = null;
}, timeout);
};
},
throttle : function(fn, timeout, ctx) {
var timer, args, needInvoke;
return function() {
args = arguments;
needInvoke = true;
ctx = ctx || this;
if(!timer) {
(function() {
if(needInvoke) {
fn.apply(ctx, args);
needInvoke = false;
timer = setTimeout(arguments.callee, timeout);
}
else {
timer = null;
}
})();
}
};
}
});
})(jQuery);