Javascript 多行字串

var myString = 
   ['

',
    'some content
',
    'someRefTxt',
    '
'
   ].join('\n');

var myString =
       '

\
some content
\
someRefTxt \

';

var string = 'This is ' +
'multiline' +
'string';

Reference :

javascript - How to create multiline strings - Stack Overflow