1 backquote1.js:1:0 Expected an operand but found error
   2 `ls`
   3 ^
   4 heredoc1.js:1:10 Expected an operand but found <<
   5 var str = <<EOF
   6           ^
   7 hashcomment1.js:1:0 Expected an operand but found error
   8 #comment
   9 ^