saheedatt/learnjavascript

A repository for circle-75 members to learn JavaScript daily

Learn Javascript

Circle-75 is a learning circle at AltSchool Africa. We decided to come together as a group to learn JavaScript together and practice exercises in an attempt to all gain a better understanding of JavaScript.

Pages

• index.js : Contains the basics of JavaScript. It has variable declaration, data types, type conversion, basic operations and operators in JavaScript.

• conditionals.js : Here, we looked at the different ways of writing conditional statements using:

  • if-else statements
  • switch statements
  • ternary operators

• functions.js : In this file, we looked at the diffrent ways to write functions:

  • Function declaration,
  • Function expression,
  • Arrow function,
  • Modern arrow function.

• We also learnt about callbacks, returning values and also learnt about naming functions appropriately.

• loops.js : We looked at the types of loops and their syntax:

  • while loops
  • do-while loops
  • for loops

• We took a quick look at Nested loops. We also looked at the use at the use of break and continue.

• exercises.js: Contains practice questions for the things that we have learnt so far.

• objects.js: We dealt with basics of objects

  • The use of bracket and dot notation
  • Comparing objects
  • The for...in loops

• Arrays: This folder will contain everything that will be learnt about arrays. For now, it contains:

  • introArr.js: The basics of arrays

  • arrayMethods.js: The methods available to arrays

    • push/pop method
    • shift/unshift method
    • toString method
    • splice/slice
    • concat method

  • iterators.js: Talks about array Iterators: The use of forEach loops compared to for loops and for...of loops.

  • searcharray.js: Talks about the array methods that can be used to search through an array:

    • IndexOf/lastIndexOf
    • Includes
    • find/findIndex
    • filter

  • transformArray.js: Talks about the array methods that can be used to transform an array.

    • split method
    • join method
    • sort method
    • reverse method
    • reduce/reduceRight method
    • map method

  • map-set.js: Explains the use of maps and sets in JavaScript

  • arrayexercises.js: Contains practice exercises on the different available array methods.

• strings.js: Contains the different methods that are available to strings.

  • charAt(index)
  • charCodeAt(index)
  • concat method
  • includes method
  • indexOf(), lastIndexOf()
  • length
  • slice, substring()
  • toUpperCase(), tolowerCase()
  • trim()
  • replace()
  • split()

• dateTime: This contains information on different ways of creating date and time in JavaScript

• exercises2.js: Part 2 to our practice questions for the things that we have learnt. Currently contains Date and Time exercises.

• promises: An introduction to promises and asynchronous activities in JavaScript. Contains information on:

  • Promises
  • chaining promises
  • async/await
  • promise.all
  • catching errors and using promises.
  • exercises: Contains practice exercises on Promises.

• prototypes: We look at protypes and constructors.

  • prototypes.js: We look at [[Prototype]] and it's significance to JavaScript.
  • classes.js & classes2.js:Explains classes and constructors
  • -fPrototypes.js: A quick look at F prototype.
  • nativePrototype.js: Explains the native prototypes in Javascript

• advancedFunctions: A bigger look at functions.

  • recursion.js: Explains recursion and it's uses. A quick look at stacks, binary tree and linked lists.
  • rest.js: Rest parameters, arguments variable and spread operators.
  • binding.js: Explains the concept of binding in JavaScript.
  • closure.js
  • globalObject.js
  • recursion.js
  • scheduling.js: Explains the two methods that we have for scheduling events in JavaScript: setTimeout and setInterval.
  • exercises.js: Exercises on Advanced functions.

• modules: Introduces us to the concept of modules in JS and how they come in handy in the use of JavaScript frameworks. Files include: index.js, index.mjs, math.js, math.mjsand module.js. module.js: Gives us a brief explanation on package installers and this is how we end up with node_modules, package-lock.json and package.json files

• Will update this as we move forward.