Build a Telephone Number Validator Project - Build a Telephone Number Validator

[igorgetmeabrain]

As per the solution below, try changing your global variables checkbtn and clearbtn to checkBtn and clearBtn respectively.
There appears to be an issue with the tests, but a fix is in the works I think.

Build a Telephone Number Validator Project - Build a Telephone Number Validator

Declare these in the global scope (outside of the functions/callback) and it should work: const userInput = document.getElementById('user-input'); const checkBtn = document.getElementById('check-btn'); const resultsDiv = document.getElementById('results-div');