JavaScript - II

With some basic JavaScript principles we can now expand our skills out even further by exploring array methods like: .forEach(), .map(), .reduce(), and .filter(). We can also look at how closures have a large impact on how we write JavaScript.

Assignment Description

• Fork/Clone this repository.
• Complete all the exercises as described inside each assignment file.
• Use console.log() statements to check to see if your code does what it is supposed to do.
• To test your console statements you can run node /assignments/<fileName> and see what prints in your terminal. You can also use an online tool like JSBin, REPL.it, JSFiddle, or even your Chrome developer console.
• Once you finish the exercises in each file, commit your code, and push it to your fork.

Callbacks

• In the callbacks.js file you'll be receiving a lot of practice on how to use callbacks to pass around data.
• Write out each function using the ES5 function keyword syntax.
• Remember that a callback function is simply a function that is being passed around to other functions.
• Stretch Problem After you're done with all of the functions, go ahead and re-factor all of them to use ES6 Arrow Functions

Function Conversion

You will see more and more arrow functions as you progress deeper into JavaScript. Use the function-conversion.js file as a helper challenge to showcase some of the differences between ES5 and ES6 syntax.

Array Methods

Use .forEach(), .map(), .filter(), and .reduce() to loop over an array with 50 objects in it. The array-methods.js file contains several challenges built around a fund rasising 5k fun run event.

• Read the instructions found within the file carefully to finish the challenges.
• The last challenge is to come up with 3 problems to solve and then build a solution for them using any of the array methods listed above.
• Share one of your favorite problem/solutions in your team meeting.
• Complete each challenge presented before moving on to closure.

Closures

The closure.js assignment showcases how variables can be used outside of functions to store state using closure.

• Complete each challenge.