In the JavaScript world, almost everything you see is an object. If you understand objects, you understand Javascript. There are lots of static methods where you can create objects, copy objects, seal ...

The reduce() method takes two parameters: a callback function and an optional initial value. In the callback function, it takes an accumulator as its first parameter and the value of the current array ...

If you are targeting legacy JavaScript engine with those ES5 methods, you can use es5-shim Please note that, the examples used below are just showing you the native alternative of performing certain ...