1.1 - Hello World(s)!
Review:
Computers take input, process that input, and give output.
Today's Lesson: 1.1 - Hello World(s)!
Output to the user is crucial in programming:
Computer programs are very boring if there's no output so we'll start with the output. It's actually the easier part of programming.
"Hello World" is the first program almost everyone writes.
By completing this task, you will discover how easy it is to research and learn the syntax of each language
Go over the History of Hello World
If you miss this lesson, read the JavaScript Hello World Tutorial
Let's ask our computer to print "Hello world!" to the screen.
It's important to note that any time an example is given in quotes - you do not include those in the actual output. So your actual output should be Hello World! without the quotation marks.
Today's Task(s) / Homework
Join our Replit team - you should have an email from your teacher.
What is a REPL?
We will use Replit to do all our coding in this course.
Using research on the Internet, recreate the Hello World programs listed in our Replit team
Extra
A step-by-step tutorial can be found at javascript.com
If you're really interested in JavaScript as a language, I recommend javascript.info
BTW - here's a site that lists the Hello World program in 300 different languages
Bored? Why not figure out how to change the background colour on an HTML page?