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Introjs1.9.18tf
- 1. Intro to JavaScript:Fundamentals January 2018 http://bit.ly/introjs-sd Wifi: Deskhub-main PW: stake2017! 1
- 2. Instructor Tanner Gill Software Developer- Shapa Thinkful Graduate TAs bit.ly/introjs-sd 2
- 3. About you What's yourname? What brought you here today? What is your programming experience? bit.ly/introjs-sd 3
- 4. About Thinkful We traindevelopers and data scientists through 1x1 mentorship and project-based learning. Guaranteed.Guaranteed. 4
- 5. Agenda Learn key Javascriptconcepts Go over assignments Complete assignments with our support! Go over answer key 5
- 6. How the webworks Type a URL from a client (e.g. google.com) Browser sends an HTTP request asking for specific files Browser receives those files and renders them as a website bit.ly/introjs-sd 6
- 7. Client/Servers Client (sends requests) FrontendDeveloper Manages what user sees Server (sends response) Backend Developer Manages what app does bit.ly/introjs-sd 7
- 8. Example: facebook.com Client Server Openbrowser and navigate to facebook.com HTML, CSS, & Javascrip render newsfeed Request Response Algorithm determines content of feed. Sends back HTML, CSS, Javascript files Application LogicApplication Logic Initial requestInitial request Following responseFollowing response bit.ly/introjs-sd 8
- 9. Example: facebook.com Client Server Openbrowser and navigate to facebook.com HTML, CSS, & Javascrip render newsfeed Request Response Algorithm determines content of feed. Sends back HTML, CSS, Javascript files Application LogicApplication Logic Initial requestInitial request Following responseFollowing response We'll be writing Javascript, the code that the browser uses to run the app 9 bit.ly/introjs-sd
- 10. History of Javascript Writtenby Brendan Eich in 1995 for Netscape Initial version written in 10 days Completely unrelated to Java, but maybe named after it to draft off its popularity Over 10 years, became default programming language for browsers Continues to evolve under guidance of ECMA International, with input from top tech companies bit.ly/introjs-sd 10
- 11. Javascript today Has largecommunity of developers, libraries and frameworks Lots of job opportunities Also the syntax is easier to understand for first-time developers bit.ly/introjs-sd 11
- 12. Defining a variablewith Javascript var numberOfSheep = 20 Initialize variable Name of variable Value of variable bit.ly/introjs-sd 12
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- 14. Declaring a functionwith Javascript function greet() { return "Hello world!"; } Initialize function Name of function What the function does bit.ly/introjs-sd 14
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- 16. If/Else Statements go togas stationkeep driving if false if true need gas? family roadtrip bit.ly/introjs-sd 16
- 17. If/Else Statements function familyRoadtrip(){ if (needGas == true) { getGas(); } else { keepDriving(); } } bit.ly/introjs-sd 17
- 18. Comparing Values == (equalto) 5 == 5 --> true 5 == 6 --> false != (not equal to) 5 != 5 --> false 5 != 6 --> true bit.ly/introjs-sd 18
- 19. If/Else Statements andComparing Values bit.ly/introjs-sd 19
- 20. Parameters within functions functionadder(a, b) { return a + b; } adder(1,2); Parameters in declaration Parameters used within the function bit.ly/introjs-sd 20
- 21. Examples of parameterswithin functions bit.ly/introjs-sd 21
- 22. Real developers useGoogle... a lot bit.ly/introjs-sd 22
- 23. Repl.it setup &first steps! http://bit.ly/tf-intro-js-challenges bit.ly/introjs-sd 23
- 24. Ways to keeplearning 24
- 25. Thinkful's free course HTML,CSS and JavaScript Unlimited group mentor sessions Personal Program Manager Slack Channel bit.ly/web-dev-freebit.ly/web-dev-free Thinkful Coding Prep Course 25