Flashcards

Javascript

Jayro Salgado Espanhol 6 flashcards

Flashcards do conjunto (6)

1closureSon funciones que manejan variables independientes. En otras palabras, la función definida en el closure "recuerda" el entorno en el que se ha creado.
2Define JavaScriptLenguage interpretado, orientado a objetos con funciones de primera clase. Es un lenguaje script multi-paradigma, basado en prototipos, dinámico, soporta estilos de programación funcional, orientada a objetos e imperativa.
3HoistingVariable declarations are processed before any code is executed, declaring a variable anywhere in the code is equivalent to declaring it at the top. This also means that a variable can appear to be used before it's declared. As it appears that the variable declaration is moved to the top of the function or global code.
4PromisesIs a delegate for an asynchronous action that collects references to callbacks, mantains state, and provides a mechanism for chaining.
5when to use a Q.deferreduse it when you are handling a async function with no promise chain
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