code.md

JavaScript

for (i=0; i < n; i++) {
 // code
}

PHP

for ($i = 0; $i < $n; $i++) {
  // code
}

Swift

for var i = 0; i < n; i++ {
  // code
}

Python

 for i in range(0,n):
    # code

Ruby

for i in 0...n
    # code