1. JavaScript
The Good Parts

2. The Awful
no linker = global vars are required
and global vars are very, very bad
there is block syntax, but not block scope
semi-colon insertion
most reserved words are not used

3. The Awful
16-bit strings
typeof
parseInt
+
binary floating point

4. The Awful
NaN
Phony Arrays
Falsy Values
hasOwnProperty
Object

5. The Bad
== and !=
with
eval
Function
setTimeout and setInterval (string arg version)

6. The Bad
continue
switch fall throughs
blockless statements
++ and --
bitwise operators

7. The Bad
function: declaration vs. expression
typed wrappers
new
void
/* block comments */

8. The Good
functions
loose typing
dynamic objects
literals
number

9. The Good
function objectness
function invocation patterns
method, function, constructor, apply
function arguments
function return

10. The Good
scope
closure
callbacks
module
cascade

11. The Good
curry
memoization (cache)
inheritance
pseudoclassical
object specifiers
prototypal
functional
parts