Sep 11, 2025 · Fundamentals

Mastering JavaScript’s ‘this’: The Hidden Rules Every Developer Must Know

This article demystifies JavaScript’s notoriously tricky ‘this’ keyword by exploring its dynamic binding behavior, illustrating four binding rules with clear examples, and showing how arrow functions, call/apply/bind, and constructor calls affect its value, plus practical best‑practice tips.

Arrow FunctionsJavaScriptbinding rules

0 likes · 6 min read

Mastering JavaScript’s ‘this’: The Hidden Rules Every Developer Must Know

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.

Arrow FunctionsJavaScriptcall apply bind

0 likes · 16 min read

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