JavaScript – Prevent objects from being changed

Object methods freeze, seal, preventExtensions, isFrozen, isSealed, isExtendable and const keyword — simple examples… Read more

Similar

What Is JavaScript Made Of?

During my first few years of using JavaScript, I felt like a fraud. Even though I could build websites with frameworks, something was missing. I dreaded JavaScript job interviews because I didn’t have a solid grasp on fundamentals. (more…)

Read more »