call apply bind

37 Interactive Technology Team

Dec 12, 2022 · Frontend Development

Understanding the JavaScript "this" Keyword: From Basics to Deep Insights

This article demystifies JavaScript’s this keyword by covering its runtime binding rules in global, function, method, constructor, prototype, and arrow contexts, explaining strict‑mode differences, call/apply/bind usage, event‑handler behavior, and the underlying ECMAScript reference mechanics that determine its value.