Help me need emergency

Tell us what’s happening:

Your code so far


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

convertToInteger("10011",A0B);

Your browser information:

User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36.

Link to the challenge:
https://learn.freecodecamp.org/javascript-algorithms-and-data-structures/basic-javascript/use-the-parseint-function-with-a-radix