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JavaScript Tutorial

Variables to closures, promises, the DOM and OOP — a complete JS reference.

What is a Variable?

Named storage for values, declared with var, let or const.

Quick-reference summary — a full handcrafted walkthrough is coming soon for this topic.

Named storage for values, declared with var, let or const.

  • Category: JS Variables and Data Types — part of the JavaScript Tutorial on GoCareerGo
  • Read the short summary above, then check the linked docs for full syntax/behaviour
  • Interview tip: be ready to explain "What is a Variable?" in one sentence, then back it up with a tiny example
// What is a Variable? — minimal example
console.log("What is a Variable?");
Tip

Quick recall: "What is a Variable?" — named storage for values, declared with var, let or const.