JavaScript Best Practices

Introduction

JavaScript remains an essential language for web development, continually evolving with new features and capabilities. To write efficient and clean JavaScript, here are some best practices to follow:

Best Practices

  • Use Strict Mode: Enable strict mode by including "use strict"; at the top of your scripts. It helps in catching common coding bugs and makes JavaScript run faster.
  • Variable Declarations: Always use let or const instead of var to avoid variable hoisting and maintain block scope integrity.
  • Arrow Functions: Use arrow functions for writing shorter function expressions and lexically binding the this value in functions.
  • Template Literals: Use back-ticks ` for string literals that allow embedded expressions, thus making string concatenation more readable.