JavaScript Programming Tutorial 17 - Converting Decimal Numbers to Binary, Octal, and Hexadecimal

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[stephanier.]

Long time subscriber here. Just want to say I love your videos! Really appreciate all the work you do helping to teach others. I wish you lots of success! 🙂

[sakinemazlomyar]

#Important
parseInt(11, 2) does NOT convert it to BINARY. When you add 11 with base 2. This means you want to convert a binary to decimal since you make it clear with base 2. Ex could be parseInt(11010101, 2) //==> 213 or //==>13633 so now how to convert decimal to binary well you add toString() with the base in the end function parseInt. Ex parseInt(13633, 10).toString(2) // or parseInt(213, 10).toString(2) //==> 11010101

[Asifkhan-tunb]

loved it man....once you become famous you won't fall down never I think...love from Bangladesh

[lycan]

this was straightforward and helpful thank you :)

[danielmadison]

Don't be so apologetic about this. This is very useful when you need it. I have Bit Shifted many times in Assembly and C and was really Glad JS had these functions. Great lesson.

[jackfrancis]

Just started JS and holy mother of pearl this is gonna get hard. I lit have to learn 10 new phrases for every phrase he uses to understand anything.

[EnglishRain]

So JS does the heavylifting of the actual algorithm to convert it to different bases, we just specify the base. Pretty cool!

[aZnchuux]

"yo yo what's happenin everybody"
*subscribes*

[stealtime]

Great videos! What does the radix signify here and why do you use 2, 8, and 16 for binary, octal, and hex, respectively?

[masterdatta]

Thanks Alot Caleb!!
Very Nice Tutorial!

[spaceghost]

I'm applying to jobs. Thank you for this brother!

[sergodemachina]

function binToDec(bin){
const digit = parseInt(bin, 2);
return digit;
}

[escapefelicity]

It might be a REAL GOOD IDEA to post the code

[greatreboot]

What a mess. You just say 11 = 3 in binary. WTF?