Help with loops

Question

what does this mean (i + "<br />")?

Answer 1

I think you are using it in document.write()
You mean something like this:
https://code.sololearn.com/WA10A7A5a156
It will print the value of i first and then it will print a line gap because <br/> is used for gap and it print until i<5. If you already know HTML you should know about this.