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JavaScript

Syntax & Variables Operators Functions Objects Events String Methods Arrays & Methods Date & Math Logic (If/Switch/Loops)DOM Manipulation ES6+ Features Scope & Hoisting The 'this' Keyword JS Modules Classes Async/Await & Promises Debugging Web APIs (Fetch, Storage)JSON

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Syntax & Variables Operators Functions Objects Events String Methods Arrays & Methods Date & Math Logic (If/Switch/Loops)DOM Manipulation ES6+ Features Scope & Hoisting The 'this' Keyword JS Modules Classes Async/Await & Promises Debugging Web APIs (Fetch, Storage)JSON

Scope & Hoisting

Understanding Block scope vs Function scope and Hoisting behavior.

javascript

{ 
  let x = 2;
  var y = 2;
}
// x can NOT be used here
// y CAN be used here

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