Question

How to convert negative integer to binary in Node.js

Answer 1

function num2bin(num) {
    return (num >>> 0).toString(2);
}
    
console.log(num2bin(-1));
 
console.log(num2bin(-256));

console.log(num2bin(-512));
 
 
 
 
/*
run:
    
11111111111111111111111111111111
11111111111111111111111100000000
11111111111111111111111000000000
    
*/

 

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