EXERCISE ONE: Write Your First Javascript Variable! | Simple JS Project Tutorial & Training

FURTHER READING

From The Docs:
Variable declarations, wherever they occur, are processed before any code is executed. The scope of a variable declared with var is its current execution context, which is either the enclosing function or, for variables declared outside any function, global.

Assigning a value to an undeclared variable implicitly creates it as a global variable (it becomes a property of the global object) when the assignment is executed. The differences between declared and undeclared variables are:

[TobiTobeToby]

This is amazing, thank you! P.s. the music is a bit of a distraction, you're voice is all we need :)

[libertysomething]

I'm having a blast working with this!

[brucelee]

Wtf all the links on your blogs are ads now

[Agugz]

images are in svg format. Can't open them. Any suggestions or do you have a jpg or png version for the images?

[clarkson]

yes please make the music stop. good lessons though..