Hexadecimal to binary in Nodejs

Question

I have this hexadecimal in a nodejs Tcp Client

82380000000000000400000000000000

I have used parseint function to convert it to

1.73090408076117e+38

But i need to get its binary representation that is

10000010001110000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000

Ho can i get this binary representation from the above hexadecimal format?

Pablo Abad · Accepted Answer · 2018-09-21 10:09:14Z

3

Using the toString specifying the base as the parameter should make it. For example, if you want to convert it to a binary string, after parsing it to an integer:

var number = '82380000000000000400000000000000';
console.log(parseInt(number).toString(2));

In case you want an hexadecimal string, just use .toString(16);

If you don't want to parse the string with the number:

var number = 82380000000000000400000000000000;
console.log(number.toString(2));

Hope this helps.

answered Sep 21, 2018 at 10:09

Pablo Abad

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1 Comment

Danstan Over a year ago

This is not right. F is hexa while your answer says NaN. It actually does base 10 to base 2 untill you do the base to parseint like console.log(parseInt(number, 16).toString(2));

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