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Make It Real - Reto 1 JavaScript

This is a solution to the first project of the Make It Real course.

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Comprobar si la propiedad existe en el objeto

Comprobar si la propiedad existe en el objeto

function myFunction(a, b) {
  return;
}
Test Case Expected
myFunction({a:1,b:2,c:3},'b') true
myFunction({x:'a',y:'b',z:'c'},'a') false
myFunction({x:'a',y:'b',z:undefined},'z') false

Fix Error manipulación de arreglos

¡Ayuda a corregir todos los errores en la función incrementItems! ¡Está destinado a agregar 1 a cada elemento en el arreglo!

function incrementItems(arr) {
  for (let i = 0; i < array.length; i++) {
    arr[i] === arr[i] + 1;
  }

  return array;
}
Test Case Expected
incrementItems([0, 1, 2, 3]) [1, 2, 3, 4]
incrementItems([2, 4, 6, 8]) [3, 5, 7, 9]
incrementItems([-1, -2, -3, -4]) [0, -1, -2, -3]

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