diff --git a/README.md b/README.md index 143243273..25f79f02c 100644 --- a/README.md +++ b/README.md @@ -1,53 +1,56 @@ - # JavaScript - II -With some basic JavaScript principles in hand, we can now expand our skills out even further by exploring callback functions, array methods, and closure. Finish each task in order as the concepts build on one another. +With some basic JavaScript principles in hand, we can now expand our skills out even further by exploring callback functions, array methods, and closure. Finish each task in order as the concepts build on one another. ## Set Up The Project With Git **Follow these steps to set up and work on your project:** -* [ ] Create a forked copy of this project. -* [ ] Add your team lead as collaborator on Github. -* [ ] Clone your OWN version of the repository (Not Lambda's by mistake!). -* [ ] Create a new branch: git checkout -b ``. -* [ ] Implement the project on your newly created `` branch, committing changes regularly. -* [ ] Push commits: git push origin ``. +- [ ] Create a forked copy of this project. +- [ ] Add your team lead as collaborator on Github. +- [ ] Clone your OWN version of the repository (Not Lambda's by mistake!). +- [ ] Create a new branch: git checkout -b ``. +- [ ] Implement the project on your newly created `` branch, committing changes regularly. +- [ ] Push commits: git push origin ``. **Follow these steps for completing your project.** -* [ ] Submit a Pull-Request to merge Branch into master (student's Repo). **Please don't merge your own pull request** -* [ ] Add your team lead as a reviewer on the pull-request -* [ ] Your team lead will count the project as complete by merging the branch back into master. +- [ ] Submit a Pull-Request to merge Branch into master (student's Repo). **Please don't merge your own pull request** +- [ ] Add your team lead as a reviewer on the pull-request +- [ ] Your team lead will count the project as complete by merging the branch back into master. ## Task 1: Higher Order Functions and Callbacks This task focuses on getting practice with higher order functions and callback functions by giving you an array of values and instructions on what to do with that array. -* [ ] Review the contents of the [callbacks.js](assignments/callbacks.js) file. Notice you are given an array at the top of the page. Use that array to aid you with your functions. +- [ ] Review the contents of the [callbacks.js](assignments/callbacks.js) file. Notice you are given an array at the top of the page. Use that array to aid you with your functions. -* [ ] Complete the problems provided to you but skip over stretch problems until you are complete with every other JS file first. +- [ ] Complete the problems provided to you but skip over stretch problems until you are complete with every other JS file first. ## Task 2: Array Methods Use `.forEach()`, `.map()`, `.filter()`, and `.reduce()` to loop over an array with 50 objects in it. The [array-methods.js](assignments/array-methods.js) file contains several challenges built around a fundraising 5K fun run event. -* [ ] Review the contents of the [array-methods.js](assignments/array-methods.js) file. +- [ ] Review the contents of the [array-methods.js](assignments/array-methods.js) file. -* [ ] Complete the problems provided to you but skip over stretch problems until you are complete with every other JS file first. +- [ ] Complete the problems provided to you but skip over stretch problems until you are complete with every other JS file first. -* [ ] Notice the last three problems are up to you to create and solve. This is an awesome opportunity for you to push your critical thinking about array methods, have fun with it. +- [ ] Notice the last three problems are up to you to create and solve. This is an awesome opportunity for you to push your critical thinking about array methods, have fun with it. ## Task 3: Closures -We have learned that closures allow us to access values in scope that have already been invoked (lexical scope). +We have learned that closures allow us to access values in scope that have already been invoked (lexical scope). **Hint: Utilize debugger statements in your code in combination with your developer tools to easily identify closure values.** -* [ ] Review the contents of the [closure.js](assignments/closure.js) file. -* [ ] Complete the problems provided to you but skip over stretch problems until you are complete with every other JS file first. +- [ ] Review the contents of the [closure.js](assignments/closure.js) file. +- [ ] Complete the problems provided to you but skip over stretch problems until you are complete with every other JS file first. ## Stretch Goals -* [ ] Go back through the stretch problems that you skipped over and complete as many as you can. -* [ ] Look up what an IIFE is in JavaScript and experiment with them \ No newline at end of file +- [ ] Go back through the stretch problems that you skipped over and complete as many as you can. +- [ ] Look up what an IIFE is in JavaScript and experiment with them + +# First commit for javascript II project + +# Second commit to make sure repo installed correctly diff --git a/assignments/array-methods.js b/assignments/array-methods.js index f3862361e..903c2a012 100644 --- a/assignments/array-methods.js +++ b/assignments/array-methods.js @@ -3,83 +3,505 @@ // Scroll to the bottom of the list to use some advanced array methods to help the event director gather some information from the businesses. const runners = [ - { id: 1, first_name: "Charmain", last_name: "Seiler", email: "cseiler0@wired.com", shirt_size: "2XL", company_name: "Divanoodle", donation: 75 }, - { id: 2, first_name: "Whitaker", last_name: "Ierland", email: "wierland1@angelfire.com", shirt_size: "2XL", company_name: "Wordtune", donation: 148 }, - { id: 3, first_name: "Julieta", last_name: "McCloid", email: "jmccloid2@yahoo.com", shirt_size: "S", company_name: "Riffpedia", donation: 171 }, - { id: 4, first_name: "Martynne", last_name: "Paye", email: "mpaye3@sciencedaily.com", shirt_size: "XL", company_name: "Wordware", donation: 288 }, - { id: 5, first_name: "Gussy", last_name: "Raraty", email: "graraty4@ucoz.ru", shirt_size: "L", company_name: "Oozz", donation: 291 }, - { id: 6, first_name: "Yule", last_name: "Tommasetti", email: "ytommasetti5@state.gov", shirt_size: "S", company_name: "Yodo", donation: 27 }, - { id: 7, first_name: "Kathie", last_name: "Majury", email: "kmajury6@guardian.co.uk", shirt_size: "3XL", company_name: "Zoomcast", donation: 261 }, - { id: 8, first_name: "Tanner", last_name: "Branton", email: "tbranton7@tmall.com", shirt_size: "2XL", company_name: "Realmix", donation: 28 }, - { id: 9, first_name: "Sarina", last_name: "Lasham", email: "slasham8@toplist.cz", shirt_size: "XL", company_name: "Gigashots", donation: 110 }, - { id: 10, first_name: "Bertie", last_name: "Lonergan", email: "blonergan9@issuu.com", shirt_size: "3XL", company_name: "Skinte", donation: 62 }, - { id: 11, first_name: "Trevor", last_name: "Studd", email: "tstudda@networkadvertising.org", shirt_size: "S", company_name: "Cogidoo", donation: 76 }, - { id: 12, first_name: "Malachi", last_name: "Okeshott", email: "mokeshottb@chron.com", shirt_size: "M", company_name: "DabZ", donation: 91 }, - { id: 13, first_name: "Berget", last_name: "Logsdail", email: "blogsdailc@wix.com", shirt_size: "M", company_name: "Mymm", donation: 9 }, - { id: 14, first_name: "Loise", last_name: "Rivlin", email: "lrivlind@behance.net", shirt_size: "2XL", company_name: "Linktype", donation: 204 }, - { id: 15, first_name: "Christan", last_name: "Kendall", email: "ckendalle@example.com", shirt_size: "XS", company_name: "Skinix", donation: 252 }, - { id: 16, first_name: "Kayla", last_name: "Whitwam", email: "kwhitwamf@deliciousdays.com", shirt_size: "2XL", company_name: "Oyope", donation: 147 }, - { id: 17, first_name: "Heddie", last_name: "Heningam", email: "hheningamg@tripadvisor.com", shirt_size: "L", company_name: "Skinix", donation: 172 }, - { id: 18, first_name: "Mace", last_name: "Ballinger", email: "mballingerh@a8.net", shirt_size: "S", company_name: "Nlounge", donation: 266 }, - { id: 19, first_name: "Nola", last_name: "Abberley", email: "nabberleyi@jalbum.net", shirt_size: "XL", company_name: "Photospace", donation: 148 }, - { id: 20, first_name: "Nadine", last_name: "Tresler", email: "ntreslerj@marketwatch.com", shirt_size: "3XL", company_name: "Wikido", donation: 292 }, - { id: 21, first_name: "Ulrikaumeko", last_name: "Vuittet", email: "uvuittetk@gov.uk", shirt_size: "S", company_name: "Skinte", donation: 102 }, - { id: 22, first_name: "Saunder", last_name: "Spennock", email: "sspennockl@icq.com", shirt_size: "3XL", company_name: "Kwimbee", donation: 213 }, - { id: 23, first_name: "Carmel", last_name: "Woffinden", email: "cwoffindenm@wikispaces.com", shirt_size: "S", company_name: "Rooxo", donation: 137 }, - { id: 24, first_name: "Marielle", last_name: "Kimmel", email: "mkimmeln@jimdo.com", shirt_size: "M", company_name: "Livetube", donation: 96 }, - { id: 25, first_name: "Brucie", last_name: "Burris", email: "bburriso@slate.com", shirt_size: "2XL", company_name: "Wordtune", donation: 128 }, - { id: 26, first_name: "Juan", last_name: "Berzon", email: "jberzonp@soup.io", shirt_size: "3XL", company_name: "Einti", donation: 234 }, - { id: 27, first_name: "Sacha", last_name: "Olsen", email: "solsenq@reverbnation.com", shirt_size: "2XL", company_name: "Viva", donation: 190 }, - { id: 28, first_name: "Jamey", last_name: "O'Nolan", email: "jonolanr@samsung.com", shirt_size: "XL", company_name: "Skinix", donation: 31 }, - { id: 29, first_name: "Morrie", last_name: "Rainard", email: "mrainards@yale.edu", shirt_size: "XS", company_name: "Podcat", donation: 52 }, - { id: 30, first_name: "Fidel", last_name: "Roskelly", email: "froskellyt@ibm.com", shirt_size: "XS", company_name: "Avavee", donation: 5 }, - { id: 31, first_name: "Toni", last_name: "MacSweeney", email: "tmacsweeneyu@parallels.com", shirt_size: "M", company_name: "Jaloo", donation: 82 }, - { id: 32, first_name: "Jessey", last_name: "Walhedd", email: "jwalheddv@slashdot.org", shirt_size: "L", company_name: "Trilia", donation: 5 }, - { id: 33, first_name: "Karola", last_name: "Piper", email: "kpiperw@ucsd.edu", shirt_size: "3XL", company_name: "Yombu", donation: 110 }, - { id: 34, first_name: "Marley", last_name: "Mitchenson", email: "mmitchensonx@webeden.co.uk", shirt_size: "M", company_name: "Zoonoodle", donation: 97 }, - { id: 35, first_name: "Marrilee", last_name: "Thrasher", email: "mthrashery@opensource.org", shirt_size: "XL", company_name: "Bluejam", donation: 17 }, - { id: 36, first_name: "Tye", last_name: "Manie", email: "tmaniez@netscape.com", shirt_size: "L", company_name: "Kanoodle", donation: 30 }, - { id: 37, first_name: "Charleen", last_name: "Sheering", email: "csheering10@mit.edu", shirt_size: "3XL", company_name: "Jatri", donation: 262 }, - { id: 38, first_name: "Valma", last_name: "Eynaud", email: "veynaud11@archive.org", shirt_size: "XS", company_name: "Jaxbean", donation: 212 }, - { id: 39, first_name: "Dollie", last_name: "McDarmid", email: "dmcdarmid12@tinyurl.com", shirt_size: "S", company_name: "Kayveo", donation: 74 }, - { id: 40, first_name: "Minna", last_name: "Hymas", email: "mhymas13@cornell.edu", shirt_size: "XS", company_name: "Vimbo", donation: 101 }, - { id: 41, first_name: "Jsandye", last_name: "Frend", email: "jfrend14@ca.gov", shirt_size: "XS", company_name: "Latz", donation: 156 }, - { id: 42, first_name: "Yevette", last_name: "Hacket", email: "yhacket15@wp.com", shirt_size: "XL", company_name: "Lazzy", donation: 291 }, - { id: 43, first_name: "Hank", last_name: "Zebedee", email: "hzebedee16@ezinearticles.com", shirt_size: "L", company_name: "Gigashots", donation: 241 }, - { id: 44, first_name: "Jodie", last_name: "Stawell", email: "jstawell17@yale.edu", shirt_size: "S", company_name: "Jaxspan", donation: 262 }, - { id: 45, first_name: "Falito", last_name: "Karsh", email: "fkarsh18@pcworld.com", shirt_size: "S", company_name: "Mycat", donation: 239 }, - { id: 46, first_name: "Reginauld", last_name: "Purselowe", email: "rpurselowe19@thetimes.co.uk", shirt_size: "L", company_name: "Jabbersphere", donation: 11 }, - { id: 47, first_name: "Vida", last_name: "Tydd", email: "vtydd1a@dropbox.com", shirt_size: "S", company_name: "Quaxo", donation: 55 }, - { id: 48, first_name: "Anderea", last_name: "MacGiolla Pheadair", email: "amacgiollapheadair1b@xing.com", shirt_size: "2XL", company_name: "Kwimbee", donation: 214 }, - { id: 49, first_name: "Bel", last_name: "Alway", email: "balway1c@ow.ly", shirt_size: "S", company_name: "Voolia", donation: 107 }, - { id: 50, first_name: "Shell", last_name: "Baine", email: "sbaine1d@intel.com", shirt_size: "M", company_name: "Gabtype", donation: 171 }, -]; + { + id: 1, + first_name: 'Charmain', + last_name: 'Seiler', + email: 'cseiler0@wired.com', + shirt_size: '2XL', + company_name: 'Divanoodle', + donation: 75 + }, + { + id: 2, + first_name: 'Whitaker', + last_name: 'Ierland', + email: 'wierland1@angelfire.com', + shirt_size: '2XL', + company_name: 'Wordtune', + donation: 148 + }, + { + id: 3, + first_name: 'Julieta', + last_name: 'McCloid', + email: 'jmccloid2@yahoo.com', + shirt_size: 'S', + company_name: 'Riffpedia', + donation: 171 + }, + { + id: 4, + first_name: 'Martynne', + last_name: 'Paye', + email: 'mpaye3@sciencedaily.com', + shirt_size: 'XL', + company_name: 'Wordware', + donation: 288 + }, + { + id: 5, + first_name: 'Gussy', + last_name: 'Raraty', + email: 'graraty4@ucoz.ru', + shirt_size: 'L', + company_name: 'Oozz', + donation: 291 + }, + { + id: 6, + first_name: 'Yule', + last_name: 'Tommasetti', + email: 'ytommasetti5@state.gov', + shirt_size: 'S', + company_name: 'Yodo', + donation: 27 + }, + { + id: 7, + first_name: 'Kathie', + last_name: 'Majury', + email: 'kmajury6@guardian.co.uk', + shirt_size: '3XL', + company_name: 'Zoomcast', + donation: 261 + }, + { + id: 8, + first_name: 'Tanner', + last_name: 'Branton', + email: 'tbranton7@tmall.com', + shirt_size: '2XL', + company_name: 'Realmix', + donation: 28 + }, + { + id: 9, + first_name: 'Sarina', + last_name: 'Lasham', + email: 'slasham8@toplist.cz', + shirt_size: 'XL', + company_name: 'Gigashots', + donation: 110 + }, + { + id: 10, + first_name: 'Bertie', + last_name: 'Lonergan', + email: 'blonergan9@issuu.com', + shirt_size: '3XL', + company_name: 'Skinte', + donation: 62 + }, + { + id: 11, + first_name: 'Trevor', + last_name: 'Studd', + email: 'tstudda@networkadvertising.org', + shirt_size: 'S', + company_name: 'Cogidoo', + donation: 76 + }, + { + id: 12, + first_name: 'Malachi', + last_name: 'Okeshott', + email: 'mokeshottb@chron.com', + shirt_size: 'M', + company_name: 'DabZ', + donation: 91 + }, + { + id: 13, + first_name: 'Berget', + last_name: 'Logsdail', + email: 'blogsdailc@wix.com', + shirt_size: 'M', + company_name: 'Mymm', + donation: 9 + }, + { + id: 14, + first_name: 'Loise', + last_name: 'Rivlin', + email: 'lrivlind@behance.net', + shirt_size: '2XL', + company_name: 'Linktype', + donation: 204 + }, + { + id: 15, + first_name: 'Christan', + last_name: 'Kendall', + email: 'ckendalle@example.com', + shirt_size: 'XS', + company_name: 'Skinix', + donation: 252 + }, + { + id: 16, + first_name: 'Kayla', + last_name: 'Whitwam', + email: 'kwhitwamf@deliciousdays.com', + shirt_size: '2XL', + company_name: 'Oyope', + donation: 147 + }, + { + id: 17, + first_name: 'Heddie', + last_name: 'Heningam', + email: 'hheningamg@tripadvisor.com', + shirt_size: 'L', + company_name: 'Skinix', + donation: 172 + }, + { + id: 18, + first_name: 'Mace', + last_name: 'Ballinger', + email: 'mballingerh@a8.net', + shirt_size: 'S', + company_name: 'Nlounge', + donation: 266 + }, + { + id: 19, + first_name: 'Nola', + last_name: 'Abberley', + email: 'nabberleyi@jalbum.net', + shirt_size: 'XL', + company_name: 'Photospace', + donation: 148 + }, + { + id: 20, + first_name: 'Nadine', + last_name: 'Tresler', + email: 'ntreslerj@marketwatch.com', + shirt_size: '3XL', + company_name: 'Wikido', + donation: 292 + }, + { + id: 21, + first_name: 'Ulrikaumeko', + last_name: 'Vuittet', + email: 'uvuittetk@gov.uk', + shirt_size: 'S', + company_name: 'Skinte', + donation: 102 + }, + { + id: 22, + first_name: 'Saunder', + last_name: 'Spennock', + email: 'sspennockl@icq.com', + shirt_size: '3XL', + company_name: 'Kwimbee', + donation: 213 + }, + { + id: 23, + first_name: 'Carmel', + last_name: 'Woffinden', + email: 'cwoffindenm@wikispaces.com', + shirt_size: 'S', + company_name: 'Rooxo', + donation: 137 + }, + { + id: 24, + first_name: 'Marielle', + last_name: 'Kimmel', + email: 'mkimmeln@jimdo.com', + shirt_size: 'M', + company_name: 'Livetube', + donation: 96 + }, + { + id: 25, + first_name: 'Brucie', + last_name: 'Burris', + email: 'bburriso@slate.com', + shirt_size: '2XL', + company_name: 'Wordtune', + donation: 128 + }, + { + id: 26, + first_name: 'Juan', + last_name: 'Berzon', + email: 'jberzonp@soup.io', + shirt_size: '3XL', + company_name: 'Einti', + donation: 234 + }, + { + id: 27, + first_name: 'Sacha', + last_name: 'Olsen', + email: 'solsenq@reverbnation.com', + shirt_size: '2XL', + company_name: 'Viva', + donation: 190 + }, + { + id: 28, + first_name: 'Jamey', + last_name: "O'Nolan", + email: 'jonolanr@samsung.com', + shirt_size: 'XL', + company_name: 'Skinix', + donation: 31 + }, + { + id: 29, + first_name: 'Morrie', + last_name: 'Rainard', + email: 'mrainards@yale.edu', + shirt_size: 'XS', + company_name: 'Podcat', + donation: 52 + }, + { + id: 30, + first_name: 'Fidel', + last_name: 'Roskelly', + email: 'froskellyt@ibm.com', + shirt_size: 'XS', + company_name: 'Avavee', + donation: 5 + }, + { + id: 31, + first_name: 'Toni', + last_name: 'MacSweeney', + email: 'tmacsweeneyu@parallels.com', + shirt_size: 'M', + company_name: 'Jaloo', + donation: 82 + }, + { + id: 32, + first_name: 'Jessey', + last_name: 'Walhedd', + email: 'jwalheddv@slashdot.org', + shirt_size: 'L', + company_name: 'Trilia', + donation: 5 + }, + { + id: 33, + first_name: 'Karola', + last_name: 'Piper', + email: 'kpiperw@ucsd.edu', + shirt_size: '3XL', + company_name: 'Yombu', + donation: 110 + }, + { + id: 34, + first_name: 'Marley', + last_name: 'Mitchenson', + email: 'mmitchensonx@webeden.co.uk', + shirt_size: 'M', + company_name: 'Zoonoodle', + donation: 97 + }, + { + id: 35, + first_name: 'Marrilee', + last_name: 'Thrasher', + email: 'mthrashery@opensource.org', + shirt_size: 'XL', + company_name: 'Bluejam', + donation: 17 + }, + { + id: 36, + first_name: 'Tye', + last_name: 'Manie', + email: 'tmaniez@netscape.com', + shirt_size: 'L', + company_name: 'Kanoodle', + donation: 30 + }, + { + id: 37, + first_name: 'Charleen', + last_name: 'Sheering', + email: 'csheering10@mit.edu', + shirt_size: '3XL', + company_name: 'Jatri', + donation: 262 + }, + { + id: 38, + first_name: 'Valma', + last_name: 'Eynaud', + email: 'veynaud11@archive.org', + shirt_size: 'XS', + company_name: 'Jaxbean', + donation: 212 + }, + { + id: 39, + first_name: 'Dollie', + last_name: 'McDarmid', + email: 'dmcdarmid12@tinyurl.com', + shirt_size: 'S', + company_name: 'Kayveo', + donation: 74 + }, + { + id: 40, + first_name: 'Minna', + last_name: 'Hymas', + email: 'mhymas13@cornell.edu', + shirt_size: 'XS', + company_name: 'Vimbo', + donation: 101 + }, + { + id: 41, + first_name: 'Jsandye', + last_name: 'Frend', + email: 'jfrend14@ca.gov', + shirt_size: 'XS', + company_name: 'Latz', + donation: 156 + }, + { + id: 42, + first_name: 'Yevette', + last_name: 'Hacket', + email: 'yhacket15@wp.com', + shirt_size: 'XL', + company_name: 'Lazzy', + donation: 291 + }, + { + id: 43, + first_name: 'Hank', + last_name: 'Zebedee', + email: 'hzebedee16@ezinearticles.com', + shirt_size: 'L', + company_name: 'Gigashots', + donation: 241 + }, + { + id: 44, + first_name: 'Jodie', + last_name: 'Stawell', + email: 'jstawell17@yale.edu', + shirt_size: 'S', + company_name: 'Jaxspan', + donation: 262 + }, + { + id: 45, + first_name: 'Falito', + last_name: 'Karsh', + email: 'fkarsh18@pcworld.com', + shirt_size: 'S', + company_name: 'Mycat', + donation: 239 + }, + { + id: 46, + first_name: 'Reginauld', + last_name: 'Purselowe', + email: 'rpurselowe19@thetimes.co.uk', + shirt_size: 'L', + company_name: 'Jabbersphere', + donation: 11 + }, + { + id: 47, + first_name: 'Vida', + last_name: 'Tydd', + email: 'vtydd1a@dropbox.com', + shirt_size: 'S', + company_name: 'Quaxo', + donation: 55 + }, + { + id: 48, + first_name: 'Anderea', + last_name: 'MacGiolla Pheadair', + email: 'amacgiollapheadair1b@xing.com', + shirt_size: '2XL', + company_name: 'Kwimbee', + donation: 214 + }, + { + id: 49, + first_name: 'Bel', + last_name: 'Alway', + email: 'balway1c@ow.ly', + shirt_size: 'S', + company_name: 'Voolia', + donation: 107 + }, + { + id: 50, + first_name: 'Shell', + last_name: 'Baine', + email: 'sbaine1d@intel.com', + shirt_size: 'M', + company_name: 'Gabtype', + donation: 171 + } +] // ==== Challenge 1: Use .forEach() ==== // The event director needs both the first and last names of each runner for their running bibs. Combine both the first and last names and populate a new array called `fullNames`. This array will contain just strings. -let fullNames = []; -console.log(fullNames); +let fullNames = [] +// use forEach to loop over the runners array data to get -> ${first_name} and ${last_name} +// push the items we're looking for into fullNames array to output the results -> then console.log(fullNames) +runners.forEach(function(items) { + return fullNames.push(`${items.first_name} ${items.last_name}`) +}) +console.log(fullNames) // ==== Challenge 2: Use .map() ==== // The event director needs to have all the runners' first names in uppercase because the director BECAME DRUNK WITH POWER. Populate an array called `firstNamesAllCaps`. This array will contain just strings. -let firstNamesAllCaps = []; -console.log(firstNamesAllCaps); +//use .map to loop over the runners array to get -> ${first_name}.toUpperCase +let firstNamesUpperCase = runners.map(items => items.first_name.toUpperCase()) +console.log(firstNamesUpperCase) +// let upperCase = firstNamesUpperCase //I tried this but it would't work so i didnt have to add .toUpperCase to he filter array +// console.log(upperCase.toUpperCase()) // ==== Challenge 3: Use .filter() ==== // The large shirts won't be available for the event due to an ordering issue. We need a filtered version of the runners array, containing only those runners with large sized shirts so they can choose a different size. This will be an array of objects. -let runnersLargeSizeShirt = []; -console.log(runnersLargeSizeShirt); +//filter runners array for ONLY ${shirt_size === 'L} +let runnersLargeSizeShirt = runners.filter(items => items.shirt_size === 'L') +console.log(runnersLargeSizeShirt) // ==== Challenge 4: Use .reduce() ==== // The donations need to be tallied up and reported for tax purposes. Add up all the donations and save the total into a ticketPriceTotal variable. -let ticketPriceTotal = 0; -console.log(ticketPriceTotal); +//use reduce to sum the ${donation} property for a total. +let ticketPriceTotal = runners.reduce((accumulator, items) => { + // console.log(accumulator) + // console.log(items.donation) + return accumulator + items.donation +}, 0) +console.log(ticketPriceTotal) // ==== Challenge 5: Be Creative ==== // Now that you have used .forEach(), .map(), .filter(), and .reduce(). I want you to think of potential problems you could solve given the data set and the 5k fun run theme. Try to create and then solve 3 unique problems using one or many of the array methods listed above. // Problem 1 - +//I'd like to create and export a list of names for an external email list to sent content. +const emailList = runners.map(items => `${items.first_name}, ${items.last_name}, ${items.email}`) +console.log(emailList) // Problem 2 +//I'd like to create a list of companies who donated the most money above a certian limit to prioritize and high value donors +const valueableDonors = runners.filter(items => items.donation >= 200) +console.log(valueableDonors) -// Problem 3 \ No newline at end of file +// Problem 3 +//Create a liste of companies who donated less than 100 to send hand written cards +const writtenCards = runners.filter(items => items.donation <= 100) +console.log(writtenCards) diff --git a/assignments/callbacks.js b/assignments/callbacks.js index cb72e70c9..b026a4c10 100644 --- a/assignments/callbacks.js +++ b/assignments/callbacks.js @@ -1,6 +1,6 @@ // Create a higher order function and invoke the callback function to test your work. You have been provided an example of a problem and a solution to see how this works with our items array. Study both the problem and the solution to figure out the rest of the problems. -const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum']; +const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'] /* @@ -38,32 +38,61 @@ const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum']; console.log(test2); // "this Pencil is worth a million dollars!" */ - function getLength(arr, cb) { - // getLength passes the length of the array into the callback. + // getLength passes the length of the array into the callback. + return cb(arr.length) +} +console.log(getLength(items, displayLength)) + +//build a function to pass into cb to use the length +function displayLength(name) { + return `The length of array is ${name}` } +displayLength('Todd') function last(arr, cb) { - // last passes the last item of the array into the callback. + return cb(arr) + // last passes the last item of the array into the callback. } -function sumNums(x, y, cb) { - // sumNums adds two numbers (x, y) and passes the result to the callback. +function lastItemArray(lastItemValue) { + return lastItemValue[lastItemValue.length - 1] } +console.log(last(items, lastItemArray)) -function multiplyNums(x, y, cb) { - // multiplyNums multiplies two numbers and passes the result to the callback. +function sumNums(num1, num2, cb) { + // sumNums adds two numbers (x, y) and passes the result to the callback. + return cb(num1, num2) } -function contains(item, list, cb) { - // contains checks if an item is present inside of the given array/list. - // Pass true to the callback if it is, otherwise pass false. +const add = (num1, num2) => { + return num1 + num2 +} //We pass 'add' into sumNums as an argument which then gets passed to the 'cb' parameter. + +console.log(sumNums(5, 5, add)) + +function multiplyNums(num1, num2, cb) { + // multiplyNums multiplies two numbers and passes the result to the callback. + + return cb(num1, num2) +} + +const multiply = (num1, num2) => { + return num1 * num2 } -/* STRETCH PROBLEM */ +console.log(multiplyNums(5, 5, multiply)) -function removeDuplicates(array, cb) { - // removeDuplicates removes all duplicate values from the given array. - // Pass the duplicate free array to the callback function. - // Do not mutate the original array. +function contains(item, list, cb) { + // contains checks if an item is present inside of the given array/list. + // Pass true to the callback if it is, otherwise pass false. + return cb(list.includes(item)) } + +// /* STRETCH PROBLEM */ + +// function removeDuplicates(array, cb) { +// // removeDuplicates removes all duplicate values from the given array. +// // Pass the duplicate free array to the callback function. +// // Do not mutate the original array. +// } diff --git a/assignments/closure.js b/assignments/closure.js index 4b399c098..3bfcb9490 100644 --- a/assignments/closure.js +++ b/assignments/closure.js @@ -4,19 +4,37 @@ // that manipulates variables defined in the outer scope. // The outer scope can be a parent function, or the top level of the script. +/*Use NHL hockey leagues to call up players*/ +function nhl(name) { + const nhlPlayer = 'Superstar' + console.log(`${name} is a ${nhlPlayer}`) -/* STRETCH PROBLEMS, Do not attempt until you have completed all previous tasks for today's project files */ + function ahl(player) { + const fighter = 'Goon' + console.log(`${player} is rough ${nhlPlayer} and ${fighter}`) + + function echl(veteran) { + console.log( + `${veteran} is in the minor leagues and got in a fight with ${nhlPlayer} ${name}` + ) + } //this closes the echl + echl('Todd Murphy') + } //this closes the ahl + ahl('Liam Murphy') +} //this closes the nhl +nhl('Sydney Crosby') +/* STRETCH PROBLEMS, Do not attempt until you have completed all previous tasks for today's project files */ // ==== Challenge 2: Implement a "counter maker" function ==== const counterMaker = () => { - // IMPLEMENTATION OF counterMaker: - // 1- Declare a `count` variable with a value of 0. We will be mutating it, so declare it using `let`! - // 2- Declare a function `counter`. It should increment and return `count`. - // NOTE: This `counter` function, being nested inside `counterMaker`, - // "closes over" the `count` variable. It can "see" it in the parent scope! - // 3- Return the `counter` function. -}; + // IMPLEMENTATION OF counterMaker: + // 1- Declare a `count` variable with a value of 0. We will be mutating it, so declare it using `let`! + // 2- Declare a function `counter`. It should increment and return `count`. + // NOTE: This `counter` function, being nested inside `counterMaker`, + // "closes over" the `count` variable. It can "see" it in the parent scope! + // 3- Return the `counter` function. +} // Example usage: const myCounter = counterMaker(); // myCounter(); // 1 // myCounter(); // 2 @@ -27,7 +45,7 @@ const counterMaker = () => { // ==== Challenge 4: Create a counter function with an object that can increment and decrement ==== const counterFactory = () => { - // Return an object that has two methods called `increment` and `decrement`. - // `increment` should increment a counter variable in closure scope and return it. - // `decrement` should decrement the counter variable and return it. -}; + // Return an object that has two methods called `increment` and `decrement`. + // `increment` should increment a counter variable in closure scope and return it. + // `decrement` should decrement the counter variable and return it. +}