Shorthand Assignment Notation

ECMAScript-2015 introduces a shorthand syntax for the assignment of object literals.

RESETRUNFULL

<!DOCTYPE html><html><body><script>

var a = 10;
  var b = 20;var o = {a,b};   // {a:a,b:b}console.log(o);  // {a:10,b:20}

</script></body><html>

<!DOCTYPE html><html><body><script>

var a = 10;
  var b = 20;var o = {a,b};   // {a:a,b:b}console.log(o);  // {a:10,b:20}

</script></body><html>