While LUA is not an object oriented programming language, you can mimick your code to act like one. The key here is with the setmetatable() function.

Here is a .lua file containing a simple class.

That’s it! That is all there is to it. Save it as object.lua and now you can simply create a new instance of your class like this:

If you want to take a phlebotomy course but don’t have the time to go to classes on a college campus, consider getting your online phlebotomy certification. It’s an easy process, and you will learn the same things that you would learn while in a classroom. The only time that you might need to go on campus or to a hospital is to learn how to perform the procedure in order to get hands on experience.

While you are taking the classes for your certification, you will be able to interact with the teachers by email. Some teachers will post videos so that you can watch as procedures are done. You will be given assignments to complete during the week, and there will be quizzes and tests in order to see if you retain the information learned. This is an easy way to get the skills needed to start a new job that might pay more money or to get a certification in order to get a better job in the same building. Some employers require that you obtain advanced certifications, and taking an online course would be an easy way to keep working while fulfilling the requirements for the job.

There is no functionality in Javascript where you can get all elements by class name. Yes, in JQuery you can but that involves loading up a library.

If you do not have any other need for JQuery, this class made by some user in the Stack Overflow forum does the trick.

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