Process syntax

• Variables, expressions and operators

  • variables are loosely typed in JS
    • values: numerical, logical(true, false), string,null
    • name: start with with a letter or underscore, case sensitive, and must use var inside a function
  • Expressions and operators
    • Expressions: arithmetic, logic, string (null vs undef)
    • Operators: assignment, comparison, arithmetic, logical, string, special and bitwise

• Statements

  • conditional: if … else
  • loop: do , while and for

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