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Sep 7, 2022 · Frontend Development

Understanding JavaScript this Binding Rules and Their Priorities

This article explains the four JavaScript this‑binding rules—default, implicit, explicit (call/apply/bind), and new—illustrates each with code examples, compares their precedence, and shows how arrow functions affect this binding in modern ES6 code.

BINDCALLJavaScript
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Understanding JavaScript this Binding Rules and Their Priorities