Xavier Julien

Xjuli1

  • 9 Courses Completed
  • 41 Levels Completed
  • 3 Screencasts Watched
  • 86,925 Total Points

Achievement Badges

JavaScript: 6 Courses Completed

Placeholder

JavaScript Road Trip Part 3

JavaScript Language

Continue building intermediate skills within the JavaScript web programming language. Master function expressions, closures, hoisting, objects, and the use of prototypes.

  • Forest of Function Expressions

    Learn how to use and manipulate functions as expressions.

  • Cold Closures Cove

    Explore the binding of external variables into local scopes.

  • Hoisting Hills

    Build an awareness of the pitfalls of load order within a scope.

  • Ocean of Objects

    Create, fill, and manipulate the generic JavaScript object literal.

  • Plains of Prototypes

    Using the magic of object inheritance, explore classes, constructors, prototypes, and properties.

Placeholder

JavaScript Best Practices

JavaScript Language

Become a more informed, conscientious user of JavaScript as you explore time-tested, useful techniques that will improve legibility, performance quality, and safety in your scripts.

  • The Sword of Syntax

    Discover useful alternate syntax for conditionals and assignment.

  • The Pendant of Performance

    Explore techniques to improve execution speed and measure performance.

  • The Crystal of Caution

    Examine common JavaScript pitfalls and the best ways to avoid them.

  • The Mail of Modularity

    Learn how to organize code and protect data with a simple Module pattern.

Placeholder

ES2015: The Shape of JavaScript to Come

JavaScript Language

Stay in tune and learn some of the new features of ES2015, the most extensive update to the JavaScript language since it was first released in the '90s.

  • Declarations

    Learn about the new types of variable declarations and how they can help with some well-known JavaScript gotchas.

  • Functions

    Explore new features added to functions, like default parameters, rest parameters, spread operators, and arrow functions.

  • Objects, Strings, and Object.assign

    Find new ways to work with JavaScript Objects and Strings.

  • Arrays, Maps, and Sets

    Learn how to work with Arrays and more efficient alternatives to working with collections, like Maps and Sets.

  • Classes and Modules

    Discover how to write object-oriented code using the new class syntax and how to leverage the new module system to keep things clean and organized.

  • Promises, Iterators, and Generators

    Learn alternatives to writing async code, iterator objects for navigating sequences more efficiently, and special functions that return those objects.

Placeholder

JavaScript Road Trip Part 1

JavaScript Language

An introduction to the very basics of the JavaScript language. Build a foundation of JavaScript syntax and learn how to use values, variables, and files.

  • The Cliffs of Value

    Learn to manipulate values on the console.

  • Variable Valley

    Review how to store and use data with variables.

  • Files Falls

    Create JS files and source them within HTML code.

Placeholder

JavaScript Road Trip Part 2

JavaScript Language

A continued introduction to the very basics of the JavaScript language. Learn common programming mechanisms like loops, conditionals, functions, and arrays.

  • The Labyrinth of Loops

    Understand and build loops for repeated code with 'while' and 'for' syntax.

  • Conditional Canyon

    Use conditions to execute different branches of code with if-else blocks.

  • Built-In's Bluff

    Learn to use the basic JavaScript dialog box functions 'prompt', 'alert', and 'confirm'.

  • The Desert of Declarations

    Understand functions and building custom functionality.

  • The Array Archipelago

    Learn to build and manipulate the array data structure.

Placeholder

Shaping Up With AngularJS

Client-side Frameworks

AngularJS allows your application to have an expanded HTML library. Learn to add behavior to your HTML and speed up your application’s responsiveness.

  • Flatlander's Gem Store

    Get comfortable with expressions by beginning to build a gem store.

  • Built-in Directives

    Use directives to add a gallery and tabs to the gem store.

  • Forms

    Give the gem store review functionality by using AngularJS forms.

  • Custom Directives

    Create custom directives for more organized and maintainable AngularJS code.

  • Services

    Create a new module and learn to use the $http service to get real data into the gem store.

JavaScript: 2 Screencasts Watched

Git: 1 Course Completed

Placeholder

Try Git

Git

Learn how to use Git by reviewing the basic concepts of Git version control. Try out this introductory course that was created with GitHub.

  • Discover Git

    Discover the basics of Git, including how to initialize a repo. Learn how to add, commit, and push your code to GitHub.

HTML/CSS: 1 Course Completed

Placeholder

Journey Into Mobile

Intermediate CSS

Learn mobile web design with mobile-first, adaptive, and responsive web design concepts. Review the best practices with our Journey into Mobile course.

  • Foundations for Mobile

    The mobile web and relative font-sizing

  • Fluid Layouts

    Learn the foundations for creating scalable, fluid sites

  • Adaptive Adventures

    Create sites that adapt to a specific context

  • Responsive Adventures

    Create device-agnostic sites optimized for all viewports

  • Responsive Media

    Learn how to scale images, video, and work with retina graphics

Ruby: 1 Course Completed

Placeholder

Try Ruby

Getting Started With Ruby on Rails

Learn the basic building blocks of Ruby, all in the browser.

  • All For One, One For All

    Get an introduction to numbers, Strings, properties, and methods.

  • There Are Always Two

    Learn about conversions, arrays, variables, and more methods.

  • Third Time's The Charm

    Review printing, brackets, and String manipulation.

  • Fourth and Short

    Take a shot at method chaining, hashes, keys, and values.

  • The Highest of Fives

    Study up on blocks, directories, and method arguments.

  • Sixth Sense

    Start building methods, libraries, popups, and HTML with Ruby.

Python: 1 Screencast Watched