undefined
undefined
str const Left 
 str const right
LS in string -  compile failure in ES5: expected.SyntaxError: Unterminated string constant
LS in regex literal -  compile failure in ES5: expected.SyntaxError: Expected '/'
LS%20in%20escape%20sequence%20string%20literal%20%20%3Amore%20string
BOM is WS :  91
ZVNJ is id part :  aa%u200Cbb