JavaScript Closures 101: What is a closure? Les closures en Javascript. Closures. Closures are functions that refer to independent (free) variables.
In other words, the function defined in the closure 'remembers' the environment in which it was created in. Consider the following: function init() { var name = "Mozilla"; function displayName() { alert (name); } displayName(); }init(); init() creates a local variable name and then a function called displayName(). displayName() is the inner function (a closure) — it is defined inside init(), and only available within the body of that function . Peut-on passer des variables par référence en JavaScript? Variables are passed by value, objects by reference.
Arrays in JavaScript are objects Nous allons vérifier chaque cas de figure... Apprendre le JavaScript : Chapitre 11, L'objet Window.