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 JavaScript Variables Lifecycles

JavaScript Variables Lifecycles

JavaScript Variables Lifecycles

JavaScript Variables Lifecycles, Understand JavaScript Engine phases and lifecycles of the "var", "let", "const". Scopes, hoisting, closures simplified., Created by Bogdan Stashchuk

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What you'll learn
  • Explain difference between global scope, function scope and block scope
  • Understand how variables declared using "var" behave
  • Explain difference between "let" and "const"
  • Practice different variables declarations types
  • Understand two JavaScript Engine Phases - "Compilation" and "Execution"
  • Deeply understand variables lifecycle phases for variables declared using "var", "let" and "const"
  • Explain lifecycle phases for the undeclared variables
  • Understand lifecycle of the function
  • Practice and understand most important variables usage guidelines
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