JAVASCRIPT

Use the parseInt Function with a Radix

function convertToInteger(str) {

  var conversor = parseInt(str, 2);

  return conversor;

}

convertToInteger("10011");

use + to parseint in js

const ratingValue = userInput.value;
if(+ratingValue > 1) {}   // + works exactly like a parseInt()

if(parseInt(ratingValue > 1)) {}

Use the parseInt Function

function convertToInteger(str) {
  return parseInt(str);
}

convertToInteger("56");

Use the parseInt Function with a Radix Javascript

function convertToInterger(myString) {

  return parseInt(myString, 2); // We convert this to base 2.
}

console.log(convertToInterger("10011")); // This is a binary number.