Iterate over object keys in node.js

Question

Since Javascript 1.7 there is an Iterator object, which allows this:

var a={a:1,b:2,c:3};
var it=Iterator(a);

function iterate(){
    try {  
        consol         


        

Answer 1

Also remember that you can pass a second argument to the .forEach() function specifying the object to use as the this keyword.

// myOjbect is the object you want to iterate.
// Notice the second argument (secondArg) we passed to .forEach.
Object.keys(myObject).forEach(function(element, key, _array) {
  // element is the name of the key.
  // key is just a numerical value for the array
  // _array is the array of all the keys

  // this keyword = secondArg
  this.foo;
  this.bar();
}, secondArg);