test1Concepts.txt

// output statements 
// comments 
// let and dynamic behavior 
// operators 
// data types 
// loops 
// Functions and Function expressions AND IIFE ,arguments 
// Arrays 
// Objects 
// Strings & template Strings 
// type coercion,nan,infinity,truthy &falsy value
// scope => block, Function, global, lexical
// real and fake function
// arguments array

// execution context
// hoisting
// variables => var, let, const
// json => parse and stringify 

// References
// * https://eloquentjavascript.net/ -> first 4 chapters
// * https://www.freecodecamp.org/news/js-type-coercion-explained-27ba3d9a2839/-> for type cohersion 
// * https://www.w3schools.com/js/js_function_parameters.asp  ->arguments array
// * https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Objects/JSON
// * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/parse
// * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify
// * https://github.com/getify/You-Dont-Know-JS/blob/2nd-ed/scope-closures/README.md -> first 6 chapter