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The implementation function is estimated to look like this:

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]

The code runs to test() Finally, you need to call the already written method E() and pass 2 parameters
one is the so-called ju of the object, the other is a newly written function

and then pass these two parameters to E () method, of course, the E() method is already waiting for parameters

What will it do when it waits for parameters that have not been seen for a long time... (To be continued)



Continued introduction:
As mentioned last time, the E() method saw the long-lost parameter ju and a function

Of course, E() is the transfer execution method of these two parameters. I called two younger brothers (variables a, b)
to quote everything from them. At this time,
a = ju
b = function(b)
{
b(a );
 if(a == "gyyy.")
 {
  b("G"); a); Let brother (variable c) get a , which is the length of ju referenced by a
, and then execute the function referenced by brother b passed to the E() method according to this length

and pass it 2 parameters are given to the function
, one is a[d], the other is d

Then, the execution of the little brother b is started, and now the little brother b is the function passed to the E() method at the beginning
And the function passed to the E() method accepts a parameter as shown on the right: function(b) { ... }

And the b in the function being executed now is from the E() method The passed a[d]


In other words: your mistake is in the passed a[d]. When executing b(a), a is determined by test() The
passed at the beginning and the b(a) executed is the a[d]
passed from the following E. In other words, a[d] is actually a method

I guess ju should be an array containing many methods
The principle is just like this, it’s a very troublesome thing, just to get access to a




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