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javascript's Introduction

Javascript 🚀️

Datos Curiosos

  • Las variables se inicializan con el valor undefined, si intento hacer calculos con estos, dara NaN (Not a Number) como resultado
  • Al poner "use strict"; arriba de tu codigo JS, se habilita el modo estricto, que captura errores comunes de programacion y acciones inseguras, como, por ejemplo, x = 3.14; dará un error indicando que x no fue declarado

Secuencias de Cadenas

  • \' Comilla simple
  • \" Comilla doble
  • \\ Barra invertida
  • \n Salto de linea
  • \r Retorno carro
  • \t Tabulacion
  • \b Limite palabra
  • \f Fuente de formulario

Fetch

Es una funcion que nos permite trabajar por Promesas la comunicacion con APIs. Para ver el ejemplo tenemos que ver tambien el index.html

Async | Await

Con cada promise, vamos creando diferentes hilos en la ejecucion, que se van parando/continuando a medida que se van cumpliendo (o no, porque puede fallar) las promesas.

  • Una funcion puede ser async() si posee un await dentro del mismo

javascript's People

Contributors

denulemos avatar

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