2. What is JavaScript | Complete JavaScript Tutorials

  • 4 years ago

So let's get started with this course and with everything you need to know about JavaScript by diving
into this important question what is javascript.
Let's have a look at a couple of definitions.
JavaScript is a dynamic weakly typed programming language which is compiled at runtime.
It can be executed as part of a web page in a browser or directly on any machine in a so-called host environment.
Not entirely clear yet.
Let's have a look at an additional definition.
Javascript was created to make Web pages more dynamic.
That's kind of the idea why javascript was invented in the past you could say more about the history
of JavaScript in a second by the way.
So it was invented to change the content on a page directly from inside the browser.
And originally it was called life script but due to the popularity of Java back at the time it was renamed
to javascript to resemble Java by its name.
Javascript however is totally independent from Java.
That's important to understand and has nothing in common.
It really was just named javascript because while Java was popular and well people who invented javascript
want the javascript to be a thing I guess but I'm not sure are these definitions really clear.
Do you now know what javascript is.
Does dynamic weakly typed compiled at runtime make web pages more dynamic.
Does this tell you something.
Well let's take a step back maybe.
How do web pages work you are the user visiting a Web page and when you do visit a web page you use
browser for that you use your client your machine your laptop your computer where you have a browser
installed on it.
You enter a you are L or click on a search result on Google and the web page gets loaded.
To be precise when you initially visit a Web page a request is sent to the server.
So to a computer in the Internet where dad web page where the H him l file is hosted and that server
then loads that web page and sends it back to your browser in a so-called response at the most basic
form of

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