The primitive types (number, string, etc.) are passed by value, but objects are unknown, because they can be both passed-by-value (in case we consider that a variable holding an object is in fact a reference to the object) and passed-by-reference (...
I know that in JS, objects are passed by reference, for example:  function test(obj) {     obj.name = 'new name'; }  var my_obj = { name: 'foo' }; test(my_obj); alert(my_obj.name); // new name   But why doesn't the below work:...
All my unit tests have some common code I can run and abstract into a function. However I want to be able to re-use the Core value in every test  function makeSuite(name, module, callback) {     suite(name, function () {         var Core = {};...
I just found out the hard way objects are passed by reference in Javascript, for example:  for(var layer = 0; layer < hudLayers['layers'].length; layer++){      // Store the to-be-calculated values in this object     var tempValues = hudLa...
In my React-Redux app, I am changing the redux state and it looks something like this  state {     key1: oldVal1     key2: oldArray1 //The value here is an array     .     .     . }   Now when I update the state next time...  state {     key1: newVal...
I was trying to understand passing of variables and objects in JavaScript, and came across this page.  It is explained that JavaScript objects are passed by value, but the value itself is a reference. Though I understood what was happening in the exa...
I am trying to filter out records that don't have investment amount. If you see the JSON structure , I am trying to filter the FundClassDetailsViewModel object. I am sending this data to the child component. I need to provide a toggling feature s...
Given an object obj, I can modify its properties by using something like obj.a.b.c = "new value". However, I want to be able to do this programmatically, with the property's location in the form of an array. How can I make a function that...

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