Continuing a string across a linebreak is supported in most script engines, but it is not a part of ECMAScript. Additionally, the whitespace at the beginning of each line can't be safely stripped at compile time, and any whitespace after the slash will result in tricky errors.

## Noncompliant Code Example

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

## Compliant Solution

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