JS Code instance: iterating through an array member's iterator

Article Introduction: implements an iterator that iterates through an array or all members of an object.

Implements an iterator that iterates through an array or all members of an object.

var each = function (obj, fn) {

+++++++++++ Answer Area +++++++++++

+++++++++++ the end of the answer +++++++++++

};

try{



var data1 = [4,5,6,7,8,9,10,11,12];

var data2 = {

"A": 4,

"B": 5,

"C": 6

};



Console.group (DATA1);



Each (data1, function (o) {

if (6 = = this)

return true;

else if (8 = this)

return false;

Console.log (o + ": \" "+ This +" \ ");

});



Console.groupend ();

/*------[Execution Results]------

1: "4"

2: "5"

4: "7"

       ------------------*/
 
        
 
        console.group (data2);
&NBSP
       
 
        Each (data2, function (V, n) {
 
                 if (5 = = this)
 
                         return true;
 
                Console.log (n + ": \" "+ V +" \ ");
 
       });
 
       
 
         Console.groupend ();
 

/*------[Execution Results]------

A: "4"

C: "6"

------------------*/



}catch (e) {

Console.error ("Execution error, error message:" + E);

}