add Dorraymons prototypes.includes/pop/reverse b00tc4mp#8

staff/quique-cabrera/playground/dorraymon/Dorraymon.prototype.includes.test.1.js

@@ -0,0 +1,31 @@
+function Dorraymon() {
+    this.length = 0
+}
+
+console.log('TEST Dorraymon.prototype.includes')
+
+Dorraymon.prototype.includes = function (input) {
+    for (var i = 0; i < this.length; i++) {
+        if (this[i] === input) {
+            return true
+        }
+    } return false
+}
+
+console.log('CASE determine whether an Dorraymon incluides element or not')
+
+var motoGp = new Dorraymon
+motoGp[0] = 'Jorge Martin'
+motoGp[1] = 'Pedro Acosta'
+motoGp[2] = 'Alex Marquez'
+motoGp[3] = 'Maverick Viñales'
+motoGp[4] = 'Joan Mir'
+motoGp[5] = 'Pol Espargaró'
+motoGp[6] = 'Dani Pedrosa'
+motoGp.length = 7
+
+console.log(motoGp.includes('Maverick Viñales'))
+//true
+
+console.log(motoGp.includes('Valentino Rossi'))
+//false

staff/quique-cabrera/playground/dorraymon/Dorraymon.prototype.pop.test.1.js

@@ -0,0 +1,31 @@
+function Dorraymon() {
+    this.length = 0
+}
+
+console.log('TEST Dorraymon.prototype.pop')
+
+Dorraymon.prototype.pop = function (input) {
+    this.length--
+    var lastItem = this[this.length]
+    delete this[this.length]
+    return lastItem
+}
+
+
+console.log('CASE remove the last element from Dorraymon and return that element')
+
+var part = new Dorraymon
+part[0] = 'cylinder'
+part[1] = 'air filter'
+part[2] = 'exhaust pipe'
+part[3] = 'battery'
+part[4] = 'carburator'
+part[5] = 'tomato'
+part.length = 6
+
+var fruit = part.pop()
+
+console.log(part)
+//['cylinder', 'air filter', 'exhaust pipe', 'battery', 'carburator']
+console.log(fruit)
+//tomato

staff/quique-cabrera/playground/dorraymon/Dorraymon.prototype.reverse.test.1.js

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+function Dorraymon() {
+    this.length = 0
+}
+
+console.log('TEST Dorraymon.prototype.reverse')
+
+
+Dorraymon.prototype.reverse = function () {
+    var input = new Dorraymon() // copy Dorraymon in another variable
+    var count = this.length - 1 // capture the Dorraymon size to define i
+    var newCount = 0 // create a new index
+    for (var i = count; i >= 0; i--) {
+        input[newCount] = this[i]
+        newCount++
+    }
+    input.length = this.length
+    return input
+}
+
+
+console.log('CASE reverse Dorraymon order')
+
+var elements = new Dorraymon
+elements[0] = 'H2O'
+elements[1] = 'CO2'
+elements[2] = 'NO2'
+elements[3] = 'CU2S'
+elements.length = 4
+
+console.log('elements:', elements)
+//elements: [ 'H2O', 'CO2', 'NO2', 'CU2S' ]
+
+var newOrder = elements.reverse()
+console.log('New Order', newOrder)
+//New Order [ 'CU2S', 'NO2', 'CO2', 'H2O' ]
+
+console.log('elements:', elements)
+//New Order [ 'CU2S', 'NO2', 'CO2', 'H2O' ]