CSPP552: Web Programming, JavaScript part 4

JavaScript Basic Language

• Example literals: 8.5, 34, "foo", 'bar', and false
• Identifiers: Just about any string that doesn't start with ".", e.g. i, foo, foo2, whatEver
• Semicolons optional at the end of lines
• Types: Numbers, strings, booleans, functions, objects (sort of), arrays, and Null.
• Declare variables: var foo = stuff
  • Variable declaration is optional, but advised
• Operators: like C, one notable addition: + for string concatentation
  • "foo" + "bar" == "foobar"
• Case-sensitive (blah is not BLAH)