add changes to Array and Arroz to b00tc4mp#65

staff/tea-kintiraia/playground/array/Array.prototype.pop.js

@@ -25,3 +25,12 @@ console.log(cart)
 */
 console.log(extracted)
 // { brand: 'Puma', size: 44, price: 50 }
+
+// mi ejemplo>>>>>>>
+console.log('CASE extract a coat from myCloset')
+var myCloset = ['jacket','coat', 'jersey', 'shirt', 'dress']
+var extracted = myCloset.pop()
+console.log(myCloset)
+// ['jacket', 'jersey', 'shirt', 'dress']
+
+

staff/tea-kintiraia/playground/array/Array.prototype.push.js

@@ -17,3 +17,23 @@ console.log(chars)
 // ["A", "B", "C", "D", "E", "F"] (6)
 console.log(length)
 // 6
+
+console.log('CASE add many elements in one call')
+
+var colors = ['red', 'green', 'blue', 'magenta']
+var length = colors.push('cyan', 'yellow', 'orange', 'pink')
+console.log(colors)
+//['red', 'green', 'blue', 'magneta', cyian', 'yellow', 'orange', 'pink']
+console.log(length)
+// 8
+
+//mi ejemplo>>>>>>
+console.log('CASE add grapes and onions to shoppingList')
+var shoppingList = ['bread', 'butter', 'oranges', 'meat']
+var length = shoppingList.push('grapes', 'onions')
+console.log(shoppingList)
+//['bread', 'butter', 'oranges', 'meat', 'grapes', 'onions']
+console.log(length)
+// 6
+
+

staff/tea-kintiraia/playground/arroz/Arroz.prototype.at.1.js

@@ -0,0 +1,116 @@
+var Arroz = function () {this.length = 0 }
+/* El metodo 'Asignamos al prototipo de arroz la función de 'index', de buscar el valor de una posición y devolverlo, permitiendo valores positivos y negativos.*/
+Arroz.prototype.at = function (index) {
+    return this[index]
+} 
+
+console.log('TEST Arroz.prototype.at')
+
+console.log('CASE get element at index 2')
+
+var things = new Arroz
+things[0] = 100
+things[1] = true
+things[2] = 'hola mundo'
+things[3] = {a: 1, b: 2, c: 3}
+things[4] = null 
+things[5] = undefined
+things[6] = function() {return 'hello world'}
+things.length = 7
+var element = things.at(2)
+console.log(element)
+//hola mundo
+
+console.log('CASE get element at index 3')
+
+var things = new Arroz
+things[0] = 100
+things[1] = true
+things[2] = 'hola mundo'
+things[3] = { a: 1, b: 2, c: 3 }
+things[4] = null
+things[5] = undefined
+things[6] = function () { return 'hello world' }
+things.length = 7
+var element = things.at(3)
+console.log(element)
+// {a: 1, b: 2, c: 3}
+
+/* 
+
+console.log ('CASE get element at offset -1')
+
+var things = new Arroz
+things[0] = 100
+things[1] = true
+things[2] = 'hola mundo'
+things[3] = { a: 1, b: 2, c: 3 }
+things[4] = null
+things[5] = undefined
+things[6] = function () { return 'hello world' }
+things.length = 7
+var element = things.at(-1)
+console.log(element)
+//function () {return 'hello world'}
+console.log(element())
+// hello world 
+
+console.log('CASE get element at offset -3')
+
+var things = new Arroz
+things[0] = 100
+things[1] = true
+things[2] = 'hola mundo'
+things[3] = { a: 1, b: 2, c: 3 }
+things[4] = null
+things[5] = undefined
+things[6] = function () { return 'hello world' }
+things.length = 7
+var element = things.at(-3)
+console.log(element)
+//null
+
+conosole.log('CASE get element at 1000')
+
+var things = new Arroz
+things[0] = 100
+things[1] = true
+things[2] = 'hola mundo'
+things[3] = { a: 1, b: 2, c: 3 }
+things[4] = null
+things[5] = undefined
+things[6] = function () { return 'hello world' }
+things.length = 7
+var element = things.at(1000)
+console.log(element)
+// undefined
+
+console.log('CASE element at -1000')
+
+var things = new Arroz
+things[0] = 100
+things[1] = true
+things[2] = 'hola mundo'
+things[3] = { a: 1, b: 2, c: 3 }
+things[4] = null
+things[5] = undefined
+things[6] = function () { return 'hello world' }
+things.length = 7
+var element = things.at(-1000')
+console.log(element)
+// undefined
+*/
+
+console.log('TEST Arroz.prototype.at')
+
+console.log('CASE get element at -1')
+
+var moovies = new Arroz
+moovies[0] = twilight
+moovies[1] = sabrina
+moovies[3] = casablanca
+moovies[4] = grace
+moovies.length = 5
+var element = moovies.at(1)
+console.log(element)
+//sabrina

staff/tea-kintiraia/playground/arroz/Arroz.prototype.at.2.js

@@ -0,0 +1,132 @@
+var Arroz = function () {this.length = 0 }
+
+Arroz.prototype.at = function (index) {
+    if (index >= 0)
+        return this[index]
+    else
+    return this[this.length + index]
+}
+
+console.log('TEST Arroz.prototype.at')
+
+console.log('CASE get element at index 2')
+
+var things = new Arroz
+things[0] = 100
+things[1] = true
+things[2] = 'hola mundo'
+things[3] = {a: 1, b: 2, c: 3}
+things[4] = null
+things[5] = undefined
+things[6] = function () { return 'hello world'}
+things.length = 7
+var element = things.at(2)
+console.log(element)
+//hola mundo
+
+console.log('CASE get element at index 3')
+
+var things = new Arroz
+things[0] = 100
+things[1] = true
+things[2] = 'hola mundo'
+things[3] = { a: 1, b: 2, c: 3 }
+things[4] = null
+things[5] = undefined
+things[6] = function () { return 'hello world' }
+things.length = 7
+var element = things.at(3)
+console.log(element)
+// { a: 1, b: 2, c: 3 }
+
+console.log('CASE get element at offset -1')
+
+var things = new Arroz
+things[0] = 100
+things[1] = true
+things[2] = 'hola mundo'
+things[3] = { a: 1, b: 2, c: 3 }
+things[4] = null
+things[5] = undefined
+things[6] = function () { return 'hello world' }
+things.length = 7
+var element = things.at(-1)
+console.log(element)
+//function () {return 'hello world'}
+console.log(element())
+//hello world
+
+console.log('CASE get element at index -3')
+
+var things = new Arroz
+things[0] = 100
+things[1] = true
+things[2] = 'hola mundo'
+things[3] = { a: 1, b: 2, c: 3 }
+things[4] = null
+things[5] = undefined
+things[6] = function () { return 'hello world' }
+things.length = 7
+var element = things.at(-3)
+console.log(element)
+// null
+
+conosole.log('CASE get element at 1000')
+
+var things = new Arroz
+things[0] = 100
+things[1] = true
+things[2] = 'hola mundo'
+things[3] = { a: 1, b: 2, c: 3 }
+things[4] = null
+things[5] = undefined
+things[6] = function () { return 'hello world' }
+things.length = 7
+var element = things.at(1000)
+console.log(element)
+// undefined
+
+console.log('CASE element at -1000')
+
+var things = new Arroz
+things[0] = 100
+things[1] = true
+things[2] = 'hola mundo'
+things[3] = { a: 1, b: 2, c: 3 }
+things[4] = null
+things[5] = undefined
+things[6] = function () { return 'hello world' }
+things.length = 7
+var element = things.at(-1000)
+console.log(element)
+// undefined
+
+ //*mi ejemplo:  
+
+ console.log('CASE element at 5')
+
+ var myFood = new Arroz
+ myFood[0] = 'chicken';
+ myFood[1] = 'butter';
+ myFood[2] = 'vegetables';
+ myFood[3] = 'fruits';
+ myFood[4] = 'pasta';
+ myFood[5] = function () { return 'hello world' }
+ myFood.length = 6
+ var element = myFood.at (5)
+ console.log(element)
+ // function () { return 'hello world'}
+
+console.log('CASE element at -2')
+
+var myFood = new Arroz
+myFood[0] = 'chicken';
+myFood[1] = 'butter';
+myFood[2] = 'vegetables';
+myFood[3] = 'fruits';
+myFood[4] = 'pasta';
+myFood[5] = function () { return 'hello world' }
+myFood.length = 6
+var element = myFood.at(-2)
+console.log(element)
+// 'pasta'

staff/tea-kintiraia/playground/arroz/Arroz.prototype.at.js

@@ -0,0 +1,102 @@
+var Arroz = function () { this.length = 0 }
+
+Arroz.prototype.at = function (index) {
+    if (index > -1) // index > -1
+    return this[index]
+    else 
+    return this[this.length + index]
+}
+
+console.log('TEST Arroz.prototype.at')
+
+console.log('CASE get element at index 2')
+
+var things = new Arroz
+things[0] = 100
+things[1] = true
+things[2] = 'hola mundo'
+things[3] = {a: 1, b: 2, c: 3 }
+things[4] = null
+things[5] = undefined
+things[6] = function () { return 'hello world'}
+things.length = 7
+var element = things.at(2)
+console.log(element)
+//hola mundo
+
+console.log('CASE get element at index 3')
+
+var things = new Arroz
+things[0] = 100
+things[1] = true
+things[2] = 'hola mundo'
+things[3] = { a: 1, b: 2, c: 3 }
+things[4] = null
+things[5] = undefined
+things[6] = function () { return 'hello world' }
+things.length = 7
+var element = things.at(3)
+console.log(element)
+// { a: 1, b: 2, c: 3 }
+
+console.log('CASE get element at offset -1')
+
+var things = new Arroz
+things[0] = 100
+things[1] = true
+things[2] = 'hola mundo'
+things[3] = { a: 1, b: 2, c: 3 }
+things[4] = null
+things[5] = undefined
+things[6] = function () { return 'hello world' }
+things.length = 7
+var element = things.at(-1)
+console.log(element)
+// function () { return 'hello world'}
+console.log(element())
+// hello world
+
+console.log('CASE get element at offset -3')
+
+var things = new Arroz
+things[0] = 100
+things[1] = true
+things[2] = 'hola mundo'
+things[3] = { a: 1, b: 2, c: 3 }
+things[4] = null
+things[5] = undefined
+things[6] = function () { return 'hello world' }
+things.length = 7
+var element = things.at(-3)
+console.log(element)
+//null
+
+console.log('CASE get element at 1000')
+
+var things = new Arroz
+things[0] = 100
+things[1] = true
+things[2] = 'hola mundo'
+things[3] = { a: 1, b: 2, c: 3 }
+things[4] = null
+things[5] = undefined
+things[6] = function () { return 'hello world' }
+things.length = 7
+var element = things.at(1000)
+console.log(element)
+//undefined
+
+console.log('CASE get element at -1000')
+
+var things = new Arroz
+things[0] = 100
+things[1] = true
+things[2] = 'hola mundo'
+things[3] = { a: 1, b: 2, c: 3 }
+things[4] = null
+things[5] = undefined
+things[6] = function () { return 'hello world' }
+things.length = 7
+var element = things.at(-1000)
+console.log(element)
+//undefined