JavaScript

JavaScript

1. values

   • -infinity
   • infinity
   • string
   • numeric
   • NaN (not a number)
   • boolean
   • empty values
     • undefined
     • null

2. operators

   • string operators
     • /n new line
     • ${ } template literals
     • / escaping
     • + concatenate
   • comparison operators
     • == equal to
     • <= greater than or equal to
     • > is greater than
     • < is less than
     • <= less than or equal to
     • != not equal to
   • binary operators
     • % modulo
     • - subtraction
     • / division
     • * multiplication
   • logical operators
     • || or
     • && and
   • ternary operator
     • ?: pick one of two values based on a third value
   • unary operators
     • - to negate a number
     • ! to negate logically
     • typeof to find a value’s type

3. type

   • string
   • numbers
     • fractional numbers
     • integer
   • boolean type
     • yes (true or 1)
     • no (false or 0)
   • special numbers
   • coercion type