I have a nested data structure containing objects and arrays. How can I extract the information, i.e. access a specific or multiple values (or keys)?  For example:  var data = {     code: 42,     items: [{         id: 1,         name: 'foo'...
I have a data structure like this :  var someObject = {     'part1' : {         'name': 'Part 1',         'size': '20',         'qty' : '50'     },     'part2' : {         'name...
If I have a reference to an object:  var test = {};   that will potentially (but not immediately) have nested objects, something like:  {level1: {level2: {level3: "level3"}}};   What is the best way to check for the existence of property in...
I have a question concerning how the "this" pointer is treated in a nested function scenario.    Say I insert this following sample code into a web page. I get an error when I call the nested function "doSomeEffects()".  I checked i...
Is it possible to have nested JavaScript template tags e.g.  <script id="Product" type="text/html">     <div class="product">         ....         <div class="features">             <script id="...
I am trying to have fun with my buddy who solved the problem mentioned in 8m 7s, and for me it is already 20m gone. I can't figure out how to handle unlimited nested array in javascript.  The problem is this:  // i will be an array, containing in...
Is it possible to define an object within another object? I'm thinking something like this:  function MyObj(name) {     this.name = name;      function EmbeddedObj(id) {         this.id = id;     } }   And I could then create an EmbeddedObj like...
what I'm trying to achieve is one of the classical results of the combination of the launch of N-dices,but saving the results in a matrix with M-N fields (where N is the number of dices and M is the total number of possible combinations - obtaine...
I am looking at this exercise from the book Eloquent Javascript, Chapter 4 - A List for quite some time and I'm trying to understand how this particular function works:   function arrayToList(array) {   let list = null;   for (let i = array.lengt...

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