Coding Niggles

Exists?

Javascript: 

  foo = foo || "bar"; // yay!
PHP: 

  $foo = $foo ? $foo : "bar"; // boo!

Function defaults

PHP: 

function x($foo = 'bar'){ // yay!
Javascript: 

function x(foo){ // boo!
  foo = foo || "bar";

Ranges

PHP: 

foreach (range(1,10) as $i) // yay!
Javascript: 

for (i=1; i<11; i++) // boo!

Join

Javascript: 

foo = bar.join(', ') // yay!
PHP: 

$foo = implode(', ', $bar) // hmm
Python: 

foo = ', '.join(bar) // boo!

New arrays

Javascript: 

foo = [] // yay!
PHP: 

$foo = array() // boo!