Angular typescript how to call async function.

This isn't about school but every time it tells me to watch an ad to unlock the answer to a question it prompts a survey and it just keeps loading. so i haven't been able to get answers for my tests in like a week.

Can someone who is skilled at coding create me a java chess game. don't copy from online source codes. make it original ! : d

Why is it preferable to code web pages in html format? a. to create more lines code b. to apply general formatting rules c. to display properly as search results in all browsers d. to add meaning to the document