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JavaScript Tutorial

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

Reflect.has()

Equivalent of the in operator as a function.

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

Equivalent of the in operator as a function.

  • Category: JS Reflect Reference — 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 "Reflect.has()" in one sentence, then back it up with a tiny example
// Reflect.has() — minimal example
console.log("Reflect.has()");
Tip

Quick recall: "Reflect.has()" — equivalent of the in operator as a function.