use multy line in typescript

1var myString = 'A rather long string of English text, an error message ' +
2    'actually that just keeps going and going -- an error ' +
3    'message to make the Energizer bunny blush (right through ' +
4    'those Schwarzenegger shades)! Where was I? Oh yes, ' +
5    'you\'ve got an error and all the extraneous whitespace is ' +
6    'just gravy.  Have a nice day.';