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JavaScript

michael edmondson
michael edmondson
4,512 Points
Posted by michael edmondson
michael edmondson
4,512 Points

Why is the first ' used after the bracket? i know why the + are used but not why [' +. why is the first ' needed?

var questionsleft = ' [' +questions + ' questionsleft]';

1 Answer

Steven Parker
Steven Parker
243,201 Points
Steven Parker
Steven Parker
243,201 Points

Quote marks enclose literal strings. Everything between them will be used in building the new string. There are two literal strings in this line, one before and one after the variable. So the new string will start with an open bracket, and it will end with the words "questions left" and a close bracket.

For example, if the "questions" variable had the value of 3 in it, then "questionleft" would be assigned this:

[3 questions left]

And that becomes part of the message shown to the user.