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
letorconstinstead ofvarto avoid variable hoisting and maintain block scope integrity. - Arrow Functions: Use arrow functions for writing shorter function expressions and lexically binding the
thisvalue in functions. - Template Literals: Use back-ticks
`for string literals that allow embedded expressions, thus making string concatenation more readable.