Language Comparison

Looping

JavaScript

var words = ['one', 'two', 'three', four', 'five'];
var i;
for (i = 0; i < words.length; i++) {
  document.write(words[i]);
}

Python

words = ['one', 'two', 'three', four', 'five']
for i in words:
  print(i)

PHP

$words = array('one', 'two', 'three', four', 'five');
foreach ($words as $word) {
  print $word;
}

Functions

JavaScript

function myFunction(n) {
  document.write(n);
}

Python All functions return a value. You can set a default input parameter

def myFunction(n=1):  # set a default value
  print(n)

PHP

function myFunction($n) {
  print $n;
    }

Classes and Objects

JavaScript

Python

class Duck:
  sound = "Quaaack"
  ambulation = "Waddling"
  def quack(self):
    print(self.sound)
  def walk(self):
    print(self.ambulation)

donald = Duck()
donald.quack()
donald.walk()

PHP

class Duck {
  function quack(){ }
  function walk(){ }

}