Values, Data Types, & Operators

Please read the following;

• Haverbeke, Marijn. Eloquent JavaScript: A Modern Introduction to Programming. 3rd Edition. N.p., 2018. Web.
  • Chapter 1; Values, Types, and Operators
• JavaScript Guide. MDN web docs. 2018. Web.
  • Grammar and Types
  • Expressions and operators

Goals

At the end of the chapter you should have an understanding for;

• Values
  • Regular Values
  • Empty Values
    • null
    • undefined
• Data Types
  • Numbers
    • Regular Numbers
    • Special Numbers
  • Strings
    • regular strings ("Hello World!", 'single quote string')
    • special characters (i.e., \n, \t)
    • template literal strings (these use backticks and have special properties)
  • Booleans

Video

• Operators
  • Basic mathematical operators
    • addition/subtraction on numbers (+/-)
    • multiplication/division on numbers (*//)
    • the modulo on numbers (%)

Video

- String operators
    - String concatenation (`+`)

Video

- Unary Operators
    - `typeof`

Video

- Comparison Operators
    - `<`, `>`,`<=`, `>=`, `==`, `!=`
- Logical Operators
    - or - `||`
    - and - `&&`
    - not - `!`
- Type Conversion

Video

Interactive JS Console

While you work on this chapter, you should use the following interactive JS console to test out values, types, and operators.