add push and pop tests b00tc4mp#160

staff/manuel-barzi/playground/arrays/Array.prototype.pop.js

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+console.log('TEST Array.prototype.pop')
+
+console.log('CASE extract tomato from veggies')
+
+var veggies = ['broccoli', 'cauliflower', 'cabbage', 'kale', 'tomato']
+var veggie = veggies.pop()
+
+console.log(veggies)
+// ['broccoli', 'cauliflower', 'cabbage', 'kale']
+console.log(veggie)
+// tomato
+
+console.log('CASE extract yellow from colors')
+
+var colors = ['red', 'green', 'blue', 'yellow']
+var color = colors.pop()
+
+console.log(colors)
+// ['red', 'green', 'blue']
+console.log(color)
+// yellow

staff/manuel-barzi/playground/arrays/Array.prototype.push.js

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+console.log('TEST Array.prototype.push')
+
+console.log('CASE add 400 to nums')
+
+var nums = [100, 200, 300]
+var length = nums.push(400)
+
+console.log(nums)
+// [100, 200, 300, 400] (4)
+console.log(length)
+// 4
+
+console.log('CASE add banana to fruits')
+
+var fruits = ['apple', 'orange', 'raspberry', 'pineapple']
+var length = fruits.push('banana')
+
+console.log(fruits)
+// ['apple', 'orange', 'raspberry', 'pineapple', 'banana'] (5)
+console.log(length)
+// 5

staff/manuel-barzi/playground/iterables/pop.js

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+var pop = function (iterable) {
+    /*
+    extract last element from iterable
+    descrease length from iterable
+    delete last element from iterable
+    return extracted element
+    */
+
+    var last = iterable[iterable.length - 1]
+
+    delete iterable[iterable.length - 1]
+
+    iterable.length--
+
+    return last
+}
+
+console.log('CASE extract tomato from veggies')
+
+var veggies = { 0: 'broccoli', 1: 'cauliflower', 2: 'cabbage', 3: 'kale', 4: 'tomato', length: 5 }
+var veggie = pop(veggies)
+
+console.log(veggies)
+// { 0: 'broccoli', 1: 'cauliflower', 2: 'cabbage', 3: 'kale', length: 4 }
+console.log(veggie)
+// tomato
+
+console.log('CASE extract yellow from colors')
+
+var colors = { 0: 'red', 1: 'green', 2: 'blue', 3: 'yellow', length: 4 }
+var color = pop(colors)
+
+console.log(colors)
+// { 0: 'red', 1: 'green', 2: 'blue', length: 3 }
+console.log(color)
+// yellow

staff/manuel-barzi/playground/iterables/push.js

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+var push = function (iterable, element) {
+    iterable[iterable.length] = element
+    iterable.length++
+
+    return iterable.length
+}
+
+console.log('TEST push')
+
+console.log('CASE add 400 to nums')
+
+var nums = { 0: 100, 1: 200, 2: 300, length: 3 }
+var length = push(nums, 400)
+
+console.log(nums)
+// { 0: 100, 1: 200, 2: 300, 3: 400, length: 4 }
+console.log(length)
+// 4
+
+console.log('CASE add banana to fruits')
+
+var fruits = { 0: 'apple', 1: 'orange', 2: 'raspberry', 3: 'pineapple', length: 4 }
+var length = push(fruits, 'banana')
+
+console.log(fruits)
+// { 0: 'apple', 1: 'orange', 2: 'raspberry', 3: 'pineapple', 4: 'banana', length: 5 }
+console.log(length)
+// 5