public/subjects/declarations

Declarations

Instructions

Create the following constant variables:

• escapeStr, that contains the following specials characters: `, \, /, ", '
• arr that is an array containing the values 4 and '2'
• obj that is an object containing a property for each primitives:
  • str for String
  • num for Number
  • bool for Boolean
  • undef for undefined
• nested that contains
  • arr: an array of the 3 values: 4, undefined, '2'
  • obj: an object with 3 property (str, num & bool)

nested, arr and obj must be frozen to prevent changes from them.

Notions

• Primitive and Operators
• Variables
• nan-academy.github.io/js-training/examples/data-structures.js
• devdocs.io/javascript/global_objects/object/freeze