Extensions to native javascript-objects, all within the "itsa_" namespace
How to use:
// ES5:; // ES6:;
example
"use strict"; ; const obj1 = par1: 10 par2: 'hi' par2_1: 1 par2_2: 2 ; par3: par3_1: 1 par3_2: 2 ; const obj2 = obj1; // deepcloning obj1 into obj2