convert binary to decimal javascript
var digit = parseInt(binary, 2);
4
1
let binary = 0001
parseInt(binary, 2)
// returns 1
Thank you!
1
0
0
0
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]))
Thank you!
0
0
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