Tell us what’s happening:
Describe your issue in detail here.
Your code so far
let myStr = "This is first sentence. "; myStr += "This is the second sentence.";
Your browser information:
User Agent is:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/188.8.131.52 Safari/537.36
Link to the challenge: