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JavaScript Basics Review: Making Decisions with Conditional Statements

Learn about comparison operators, boolean values, and if statements in JavaScript. Challenge yourself with conditional exercises and explore the difference between JavaScript libraries and frameworks.

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JavaScript Basics Review: Making Decisions with Conditional Statements

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  1. Stephen Delaney sdelaney@skokielibrary.info • JavaScript Basics

  2. Review: Making Decisions with Conditional Statements Comparison operators Boolean values If statements The conditional challenge

  3. Comparison Operators

  4. And Operator: &&

  5. Or Operator: ||

  6. Not Operator: !

  7. If Statements

  8. Questions?

  9. What’s next?

  10. JavaScript Library • A toolkit • Abstracts different layers (pre-written code) • Simplifies your coding experience JavaScript Framework • A given structure of "how" you should present your code • A code template Source: http://stackoverflow.com/questions/11576018/what-is-the-difference-between-a-javascript-framework-and-a-library

  11. JavaScript Library • jQuery • React • D3.js • Bootstrap • Foundation • Underscore.js JavaScript Framework • Angular • Backbone • Express • Ember • Meteor

  12. Next Steps jQuery • jQuery is used by 71.8% of all websites. That is a JavaScript library market share of 96.4%.

  13. Next Steps AJAX • Asynchronous JavaScript And XML • Get data without a page refresh

  14. Next Steps MEAN stack • “In the MEAN stack, we use MongoDB as our database. We write most of our code in Javascript. We rely on Node and Express.js to host our application and serve APIs/Views. We use AngularJS to render our views that are served by Express.”

  15. Next Steps MEAN stack

  16. Fortunately, Treehouse!

  17. Navigate to library: Sort by difficulty Select course Select JavaScript https://teamtreehouse.com/library/topic:javascript/type:course/sort:difficulty

  18. Recommended Syllabus JavaScript Loops, Arrays and Objects JavaScript and the DOM jQuery Basics • There is also a shorter one called Introduction to jQuery. AJAX Basics

  19. Recommended Syllabus Interactive Web Pages with JavaScript Object-Oriented JavaScript Node.js Basics Build a Simple Dynamic Site with Node.js Express Basics Build a REST API With Express Mongo Basics* Angular Basics* Building a MEAN Application *Indicates a course that is not under JavaScript

  20. Trust the process.

  21. Next Week – Final Class Creating Reusable Code with Functions Creating functions Returning values from functions Variable scope We will do a full review next week!

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