How are labels used with statements that are not a loop?

Question

According to the ECMAScript 5.1 spec, section 12.12, any statement can be labelled - and in a brief test my browser accepted a label before any statement. The spec also stat

Answer 1

Yes you can label any statement. You just need to put the statement in curly braces, i.e.

{start:var a=1;}

this will not show undefined label error.