javascript convert to and from binary
/* From decimal to binary (similar fo rother base) */
const num = 7;
num.toString(2); // output: "111"
/* From binary (similar fo rother base) to decimal */
parseInt("111", 2); // output: 7javascript convert to and from binary
/* From decimal to binary (similar fo rother base) */
const num = 7;
num.toString(2); // output: "111"
/* From binary (similar fo rother base) to decimal */
parseInt("111", 2); // output: 7convert binary to decimal javascript
const binaryArrayToNumber = arr => {
let len = arr.length
let pow = []
let decimal = []
for(let i = 0; i <= len - 1; i++){
pow.unshift(i)
}
arr.forEach((x,index) => {
decimal.push(x*2**pow[index])
})
let toDecimal = decimal.reduce((acc, curr) => acc + curr, 0)
return toDecimal
};
console.log(binaryArrayToNumber([1, 0, 1, 1]))Copyright © 2021 Codeinu
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