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How to get the number of bits to represent a number in JavaScript



184 views
asked Apr 17, 2017 by avibootz
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1 Answer

0 votes 
var n1 = 9;
var n2 = 15;
var n3 = 255;
 
document.write(n1.toString(2).length + "<br />");
document.write(n2.toString(2).length + "<br />");
document.write(n3.toString(2).length + "<br />");
 

/*
run:

4
4
8

*/

 



answered Apr 17, 2017 by avibootz

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