how to convert binary string to decimal?

Question

I want to convert binary string in to digit E.g

var binary = \"1101000\" // code for 104
var digit = binary.toString(10); // Convert String or Digit (But it          


        

Answer 1

function binaryToDecimal(string) {
    let decimal = +0;
    let bits = +1;
    for(let i = 0; i < string.length; i++) {
        let currNum = +(string[string.length - i - 1]);
        if(currNum === 1) {
            decimal += bits;
        }
        bits *= 2;
    }
    console.log(decimal);
}