Arrays

9 lessons

• 01ArraysLearn how to store multiple values in a single variable using JavaScript arrays.
• 02Array LengthUse the length property to count how many items exist in an array.
• 03Array SpreadUse the spread syntax to easily merge arrays together or insert elements inline.
• 04IncludesEasily verify if an array or string contains a specific value using the .includes() method.
• 05For...of LoopsIterate cleanly through an array's elements without needing a manual counter index.
• 06Slicing ArraysExtract specific subsets of an array using the .slice() method.
• 07Const ArraysUnderstand the behavior of the const keyword when applied to arrays and reference types.
• 08DestructuringUnpack values from arrays into distinct variables using destructuring syntax.
• 09Chapter 8 Cheatsheet: ArraysA quick summary of JavaScript array methods, iteration, and destructuring.