What is the use of JavaScript statement condition..?

Answer 1

Sorry, can you ask your question more clearly, and we'll try to help you, because as for me I didn't understand what you mean.

Answer 2

please try to use search string at first next time. There are a lot of similar questions already exist at Sololearn Q/A. Here is one of them:
https://www.sololearn.com/Discuss/111619/?ref=app

Answer 3

I am saying that's what is if and if else condition and where we can use that ?