javascript - What is variable f supposed to contain in this example? -


I try to see what the logic behind the jQuery plugin is, and I'm stacking up with the following problem.

I have the following code, and I can not determine the variable f inside variable t = function (u, a) {} 

  (function ($) {$ .fn.pluginName = function (userOptions) {... if ((typeof userOptions) .mail ("object | undefined")) {this return .Each (function (e) {new t (this, user option)}}} t = function (u, a) {var f = this;} ...}}) (jquery)   
 should have a reference in the function  t  or it should have a reference on  pluginName    
 Does anyone Help me with I'm completely confused with it.   
 
 
 It looks like the function  T  is the constructor function, which means that  this  inside the function will refer to the example that is applied to the code by the  new  keyword. / P> 
 Therefore,  f  will reference an example of an object whose constructor function is  t .

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