Rewrite for JS skills-based

Author: pletcher

.gitignore

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+
+# Created by https://www.gitignore.io/api/node
+
+### Node ###
+# Logs
+logs
+*.log
+npm-debug.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules
+jspm_packages
+
+# Optional npm cache directory
+.npm
+
+# Optional REPL history
+.node_repl_history
+
+.results.json

README.md

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+{
+  "name": "javascript-arrays",
+  "version": "0.1.0",
+  "description": "Introduction to arrays in JavaScript in Learn",
+  "main": "array.js",
+  "directories": {
+    "test": "test"
+  },
+  "scripts": {
+    "test": "mocha -R mocha-multi --reporter-options nyan=-,json=.results.json"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/learn-co-curriculum/javascript-arrays.git"
+  },
+  "keywords": [
+    "learn",
+    "flatiron",
+    "javascript",
+    "arrays"
+  ],
+  "license": "SEE LICENSE IN LICENSE.md",
+  "bugs": {
+    "url": "https://github.com/learn-co-curriculum/javascript-arrays/issues"
+  },
+  "homepage": "https://github.com/learn-co-curriculum/javascript-arrays#readme",
+  "devDependencies": {
+    "chai": "^3.5.0",
+    "jsdom": "^9.0.0",
+    "mocha": "^2.4.5",
+    "mocha-jsdom": "^1.1.0",
+    "mocha-multi": "^0.9.0"
+  }
+}

array.js

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+/*global describe, it */
+
+const expect = require('chai').expect
+const fs = require('fs')
+const jsdom = require('mocha-jsdom')
+const path = require('path')
+
+describe('arrays', () => {
+  jsdom({
+    src: fs.readFileSync(path.resolve(__dirname, '..', 'arrays.js'), 'utf-8')
+  })
+
+  describe('chocolateBars', () => {
+    it('is an array containing "snickers", "hundred grand", "kitkat", and "skittles"', () => {
+      expect(chocolateBars).to.eql['snickers', 'hundred grand', 'kitkat', 'skittles']
+    })
+  })
+
+  describe('addElementToBeginningOfArray(array, element)', () => {
+    it('adds an `element` to the beginning of an `array`', () => {
+      expect(addElementToBeginningOfArray([1], 'foo')).to.eql(['foo', 1])
+    })
+
+    it('does not alter `array`', () => {
+      const array = [1]
+
+      addElementToBeginningOfArray(array, 'foo')
+
+      expect(array).to.eql(array)
+    })
+  })
+
+  describe('descructivelyAddElementToBeginningOfArray(array, element)', () => {
+    it('adds an `element` to the beginning of an `array`', () => {
+      expect(descructivelyAddElementToBeginningOfArray([1], 'foo')).to.eql(['foo', 1])
+    })
+
+    it('alters `array`', () => {
+      const array = [1]
+
+      descructivelyAddElementToBeginningOfArray(array, 'foo')
+
+      expect(array).to.eql(['foo', 1])
+    })
+  })
+
+  describe('addElementToEndOfArray(array, element)', () => {
+    it('adds an `element` to the end of an `array`', () => {
+      expect(addElementToEndOfArray([1], 'foo')).to.eql([1, 'foo'])
+    })
+
+    it('does not alter `array`', () => {
+      const array = [1]
+
+      addElementToEndOfArray(array, 'foo')
+
+      expect(array).to.eql(array)
+    })
+  })
+
+  describe('destructivelyAddElementToEndOfArray(array, element)', () => {
+    it('adds an `element` to the end of an `array`', () => {
+      expect(destructivelyAddElementToEndOfArray([1], 'foo')).to.eql([1, 'foo'])
+    })
+
+    it('alters `array`', () => {
+      const array = [1]
+
+      destructivelyAddElementToEndOfArray(array, 'foo')
+
+      expect(array).to.eql([1, 'foo'])
+    })
+  })
+
+  describe('accessElementAtArray(array, index)', () => {
+    it('accesses the element in `array` at the given `index`', () => {
+      expect(accessElementInArray([1, 2, 3], 2)).to.equal(3)
+    })
+  })
+
+  describe('removeElementFromBeginningOfArray(array)', () => {
+    it('removes the first element from the `array`', () => {
+      expect(removeElementFromBeginningOfArray([1, 2, 3])).to.eql([2, 3])
+    })
+  })
+
+  describe('removeElementFromEndOfArray(array)', () => {
+    it('removes the last element from the `array`', () => {
+      expect(removeElementFromEndOfArray([1, 2, 3])).to.eql([1, 2])
+    })
+  })
+})