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Understand JavaScript Arrays

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Overview

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Arrays of data is one of the first things we learn about as programmers. Collections of information are a fundamental building block of most programming languages.
JavaScript is no exception. In this series, we will explore JavaScript (es6) array methods. We will slice, join, map, and reduce our way to better understanding of the powerful array methods that modern JavaScript delivers.

Syllabus

  • Use Concat to Add Values to an Array
  • Use Concat to Add Values to an Array
  • Use Concat to Add Values to an Array
  • Combine Values of an Array into a String with Join
  • Check if a Value is in an Array with indexOf
  • Create a Shallow Copy of an Array with Slice
  • Sort an Array Alphabetically or Numerically
  • Filter an Array with Truthy Values
  • Use Some as a Ternary Operator or Conditional
  • Add Elements onto an Array with Push
  • Modify Values in an Array with Map
  • Validate Data with the Every() Method
  • Produce a single value from an Array with reduce
  • Combine Values of an Array into a String with Join
  • Combine Values of an Array into a String with Join
  • Check if a Value is in an Array with indexOf
  • Check if a Value is in an Array with indexOf
  • Create a Shallow Copy of an Array with Slice
  • Create a Shallow Copy of an Array with Slice
  • Sort an Array Alphabetically or Numerically
  • Sort an Array Alphabetically or Numerically
  • Filter an Array with Truthy Values
  • Filter an Array with Truthy Values
  • Use Some as a Ternary Operator or Conditional
  • Use Some as a Ternary Operator or Conditional
  • Add Elements onto an Array with Push
  • Add Elements onto an Array with Push
  • Modify Values in an Array with Map
  • Modify Values in an Array with Map
  • Validate Data with the Every() Method
  • Validate Data with the Every() Method
  • Produce a single value from an Array with reduce
  • Produce a single value from an Array with reduce

Taught by

Shane Osbourne

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