What does the `Proxy` `has` trap intercept?

JavaScript Professional Medium

JavaScript Professional — Medium

What does the `Proxy` `has` trap intercept?

Key points

  • The `has` trap is specifically triggered by the `in` operator.
  • It does not intercept property access via dot notation.
  • Object.hasOwnProperty() calls and Array.includes() are not intercepted by the `has` trap.

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