There are no in-built functions and properties available to calculate the length of associative array object here. However, there are …

Function Expression var foo = function foo(){ return 12; }; In JavaScript, variable and functions are hoisted. Let’s take function hoisting first. Basically, …

var foo = function(){ // Some code }; function bar(){ // Some code }; The main difference is the function foo is …

var trees = [“redwood”,”bay”,”cedar”,”oak”,”maple”]; delete trees[3]; When you run the code above and type console.log(trees); into your Chrome developer console, you will …

The best way to find out whether or not an object is an instance of a particular class is to …