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April 3, 2016 09:10
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jQuery has event.
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| (function($) { | |
| $.fn.hasEvent = function(A, F, E) { | |
| var L = 0; | |
| var T = typeof A; | |
| var V = false; | |
| E = E ? E : this; | |
| A = (T == 'string') ? $.trim(A) : A; | |
| if(T == 'function') F = A, A = null; | |
| if(F == E) delete(F); | |
| var S = E.data('events'); | |
| for (e in S) if (S.hasOwnProperty(e)) L++; | |
| if(L < 1) return V = false; | |
| if(A && !F) { | |
| return V = S.hasOwnProperty(A); | |
| } else | |
| if(A && S.hasOwnProperty(A) && F) { | |
| $.each(S[A], function(i, r) { | |
| if(V == false && r.handler == F) V = true; | |
| }); | |
| return V; | |
| } else | |
| if(!A && F) { | |
| $.each(S, function(i, s) { | |
| if(V == false) {$.each(s, function(k, r) { | |
| if(V == false && r.handler == F) V = true; | |
| });} | |
| }); | |
| } | |
| return V; | |
| } | |
| $.extend($, {hasEvent: $.fn.hasEvent}); | |
| }) (jQuery); |
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