YA String Concat (v18)

var errorMessage = 'This is a super, super, super extra super long error that was thrown because of Batman. He is afterall the Batman, who else? When you stop to think about how Batman had anything to do with this, you would get nowhere fast. Which is not a great way to get anywhere at all, if you'
re supposedly interested in getting somewhere.Consider not thinking of Batman, unless your life philosophy is based around what Batman would do in
your situation.The answer is fairly simple, he would do what a bat would do .
Or perhaps it was Spiderman that does what a spider would do ?
Or do what a spider does ? I 'm out of ideas...';

var errorMessage = 'his is a super, super, super extra super long error that was thrown because of Batman \
He is afterall the Batman, who else? When you stop to think about how Batman had anything to do with this, \
you would get nowhere fast. Which is not a great way to get anywhere at all, if you\'
re supposedly interested in getting somewhere.\
Consider not thinking of Batman, unless your life philosophy is based around what Batman would do in
your situation.\
The answer is fairly simple, he would do what a bat would do .\
Or do what a spider does ? I '
m out of ideas...
';

var errorMessage = 'his is a super, super, super extra super long error that was thrown because of Batman ' +
  'He is afterall the Batman, who else? When you stop to think about how Batman had anything to do with this, ' +
  'you would get nowhere fast. Which is not a great way to get anywhere at all, if you\'
re supposedly interested in getting somewhere.
' +
  '
Consider not thinking of Batman, unless your life philosophy is based around what Batman would do in
your situation.
' +
  '
The answer is fairly simple, he would do what a bat would do .
' +
  '
Or
do what a spider does ? I '
m out of ideas...
';