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Intro to JavaScript: FUNdamentals (3/7/18)
- 1. Intro to JavaScript:FUNdamentalsIntro to JavaScript: FUNdamentals March 2018 http://bit.ly/jsfunlahttp://bit.ly/jsfunla Wi-Fi: Cross Camp.us Events 1
- 2. Instructor Justin Ezor Thinkful LACommunity Manager & Web Developer TA's 2
- 3. About you What's yourname? What brought you here today? What is your programming experience? 3
- 4. About Thinkful We traindevelopers and data scientists through 1x1 mentorship and project-based learning. 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 6
- 7. Client/Servers Client (sends requests) FrontendDeveloper Manages what user sees Server (sends response) Backend Developer Manages what app does 7
- 8. Example: facebook.com Client Server Openbrowser and navigate to facebook.com HTML, CSS, & JavaScript render newsfeed Request Response Algorithm determines content of feed. Sends back HTML, CSS, JavaScript files Application Logic Initial request Following response 8
- 9. Example: facebook.com Client Server Openbrowser and navigate to facebook.com HTML, CSS, & JavaScript render newsfeed Request Response Algorithm determines content of feed. Sends back HTML, CSS, JavaScript files Application Logic Initial request Following response We'll be writing JavaScript, the code that the browser uses to run the app 9
- 10. Defining a variablewith JavaScript var numberOfSheep = 20var numberOfSheep = 20 Initialize variable Name of variable Value of variable 10
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- 12. Declaring a functionwith JavaScript function greet() {function greet() { return "Hello world!"; return "Hello world!"; }} Initialize function Name of function What the function does 12
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- 14. If/Else Statements go togas stationkeep driving if false if true need gas? family roadtrip 14
- 15. If/Else Statements function familyRoadtrip(){ if (needGas == true) { getGas(); } else { keepDriving(); } } 15
- 16. Comparing Values == (equal to) 5 == 5 --> true 5 == 6 --> false != (not equal to) 5 != 5 --> false 5 != 6 --> true 16
- 17. If/Else Statements andComparing Values JSBin.com 17
- 18. Parameters within functions functionadder(a, b) {function adder(a, b) { return a + b; return a + b; }} adder(1,2);adder(1,2); Parameters in declaration Parameters used within the function 18
- 19. Examples of parameterswithin functions JSBin.com 19
- 20. Real developers useGoogle... a lot bit.ly/intro-js-la 20
- 21. Repl.it setup &first steps! bit.ly/tf-intro-js-challenges 21
- 22. Ways to keeplearning 22
- 23. Thinkful's free resource HTML,CSS and JavaScript Unlimited group mentor sessions Personal Program Manager Student Slack Community bit.ly/web-free-labit.ly/web-free-la Web Development Fundamentals Course 23