number to binary javascript
function dec2bin(dec){
return (dec >>> 0).toString(2);
}
dec2bin(1); // 1
dec2bin(-1); // 11111111111111111111111111111111
dec2bin(256); // 100000000
dec2bin(-256); // 11111111111111111111111100000000// Javascript convert a number to a binary equivalent.
// Syntax: n.toString(radix)
// Note that radix in this syntax is the radix n will become.
let n = 100;
let binary = n.toString(2);
// => 1100100
// Convert a binary number to a radix of 10 equivalent.
// Syntax: parseInt(num, radix).
// Note that radix in this syntax is denoting i's current radix.
let i = 1100100;
let number = parseInt(i, 2);
// => 100const convertNumberToBinary = number => {
return (number >>> 0).toString(2);
}
const convertNumberToBinary = n => {
// convert number to binary
let binary = (n >>> 0).toString(2).split('').sort().join('');
// convert binary to number
let number = parseInt(binary, 2);
// return result
return number;
}// method one
function convertNumberToBinary (num) {
return parseInt([...num.toString(2)].reverse().join(''), 2);
}
// methode two
function convertNumberToBinary (num) {
return parseInt(num.toString(2).slice('').reverse().join(''), 2);
}
// methode three
function convertNumberToBinary (num) {
let binary = (n >>> 0).toString(2).split('').sort().join('');
let number = parseInt(binary, 2);
return num;
}