public/subjects/declarations

Declarations

Instructions

Create the following constant variables:

• escapeStr: a string which contains the following special characters: `, \, /, " and '.
• arr: an array containing the values 4 and '2'.
• obj: an object containing primitive values:
  • str: with a string value.
  • num: with a number value.
  • bool: with a boolean value.
  • undef: with a undefined value.
• nested: an object containing:
  • arr: an array of 3 values: 4, undefined and '2'.
  • obj: an object with 3 properties
    • str with a string value.
    • num with a number value.
    • bool with a boolean value.

nested, arr and obj must be frozen, so that their elements or properties cannot be changed.

Notions

• Primitive and Operators
• Variables
• Data Structures
• Freeze