What is JavaScript and how is it different from Java?

What are the primitive data types in JavaScript?

What is the difference between null and undefined?

What is the JavaScript ecosystem and what does it include?

What is ECMAScript and how is it related to JavaScript?

What is the difference between var, let, and const?

What are comments in JavaScript and why are they important?

What is the difference between internal and external JavaScript?

What is the browser console and how is it used in development?

What are JavaScript engines and can you name a few?

What are the rules for naming variables in JavaScript?

What is type coercion in JavaScript?

What is explicit type conversion and how do you perform it?

What are truthy and falsy values in JavaScript?

What are arithmetic operators in JavaScript?

What are assignment operators in JavaScript?

What is the difference between == and === in JavaScript?

What are logical operators in JavaScript?

What are comparison operators in JavaScript?

What are bitwise operators in JavaScript?