++someVariable vs. someVariable++ in JavaScript

Question

In JavaScript you can use ++ operator before (pre-increment) or after the variable name (post-increment). What, if any, are the differences b

Answer 1

var a = 1;
var b = ++a;
alert('a:' + a + ';b:' + b); //a:2;b:2

var c = 1;
var d = c++;
alert('c:' + c + ';d:' + d); //c:2;d:1

jsfiddle