0[Ceci] 1[est] 2[un] 3[tableau]
Longueur: length
Sous-tableau: slice(debut=2 [, fin])
Join / implosion en chaine de caractères: join(separateur=' ')
push() Adds new elements to the end of an array, and returns the new length:
Sort: sort([sortFunc])
http://www.w3schools.com/jsref/jsref_sort.asp
Note: By default, the sort() method sorts the elements alphabetically and ascending. However, numbers will not be sorted correctly (40 comes before 5). To sort numbers, you must add a function that compare numbers.