Learn JavaScript from Scratch JavaScript for Everyone - Strict Mode

The video tutorial explains the importance of using 'strict mode' in JavaScript to prevent common coding errors. It demonstrates how to enable strict mode in scripts and functions, and shows how it helps catch errors like undeclared variables and typos. The tutorial emphasizes the benefits of strict mode, such as improved code quality and reduced bugs, and encourages its use for better coding practices.

What is the purpose of using 'use strict' in JavaScript?

What happens when you try to use a variable that has not been declared in strict mode?

How does strict mode affect variable declaration in JavaScript?

Can you explain how strict mode helps prevent common programming errors?

Why is it recommended to use strict mode consistently in your JavaScript code?