Why so many semicolons in JavaScript?

Question

I tend to be a prolific user of semicolons in my JavaScript:

var x = 1;
var y = 2;
if (x==y){do something};

I recently noticed that I was looki

Answer 1

Whether to use semicolons or not is largely a matter of choice. However, in javascript, unlike many other languages, not using them can lead to unexpected results. For example,

return
    {'foo':'bar'};

will, because of javascript's automatic semicolon insertion, return nothing.