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 LA Community Manager & Web Developer TA's 2
- 3. About you What's your name? What brought you here today? What is your programming experience? 3
- 4. About Thinkful We train developers and data scientists through 1x1 mentorship and project-based learning. Guaranteed. 4
- 5. Agenda Learn key Javascript concepts Go over assignments Complete assignments with our support! Go over answer key 5
- 6. How the web works 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) Frontend Developer Manages what user sees Server (sends response) Backend Developer Manages what app does 7
- 8. Example: facebook.com Client Server Open browser 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 Open browser 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 variable with JavaScript var numberOfSheep = 20var numberOfSheep = 20 Initialize variable Name of variable Value of variable 10
- 12. Declaring a function with JavaScript function greet() {function greet() { return "Hello world!"; return "Hello world!"; }} Initialize function Name of function What the function does 12
- 14. If/Else Statements go to gas 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 and Comparing Values JSBin.com 17
- 18. Parameters within functions function adder(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 parameters within functions JSBin.com 19
- 20. Real developers use Google... a lot bit.ly/intro-js-la 20
- 21. Repl.it setup & first steps! bit.ly/tf-intro-js-challenges 21
- 22. Ways to keep learning 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