Tell us what’s happening:
Describe your issue in detail here.
Your code so far
function telephoneCheck(str) {
}
telephoneCheck("555-555-5555");
Your browser information:
User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36
Challenge: Telephone Number Validator
Link to the challenge: