JavaScript Random Number Generator In 90 Seconds #JavaScriptJanuary

Watch the entire #JavaScriptJanuary series from the beginning!

What if we wanted to get a random number between 1 - 10?
We can easily do this by multiplying the random number by the maximum range that we are looking for. In this case, 10.

But, this is actually going to give us a random number between 0 - 9. So in order to get a number between 1 - 10 we will need to add 1 at the end.

Note that this solution will only work for ranges between 1 and whatever number you multiply by.

So how do we get a range of random numbers between let’s say, 5 and 15?

This is going to require a bit more math. We’ll create an arrow function which accepts two values and we’re basically going to do the same thing but instead of multiplying by an arbitrary number, we are going to subtract the maximum and minimum values then add one, and then at the very end we will also add the minimum value. If you hate math, just don’t think about it. It works :)

Next we’ll call the function and pass our minimum and maximum values. Now every time we refresh we get random numbers between the range we defined.

I'll be releasing a new video every day in January! Stay tuned..
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#JavaScriptJanuary #31Days31Videos #codeSTACKr

[codeSTACKr]

Thanks for all of the support! Stay tuned for a new video every day in January!!

Watch the entire #JavaScriptJanuary series from the beginning!

📚 My Favorite Web Design Books 📚
Web Design with HTML, CSS, JavaScript and jQuery Set by Jon Duckett (paid link)

[TheSclare]

I like these kind of short and informative videos. So, many thanks!

[HossamKhalaf-sroo]

if you hate math don't think about it, it works :D

[gamesseries]

Why they aren't introducing something like random package as python do.


Randint(1, 10)#job's done

[rodStack]

Can some reference the math principle of this sorcery lol... Really though will be nice to know

[TheWandererDoc]

For front end developer what things should we learn other then crud?

[dines]

You can´t hate math and love to code.
It´s a oxymoron.

[prokashdasarjun]

What's the real life use of this JS feature?? 😑