1SyntaxError:33:Expected property id but found ,
2({,})
3 ^
4SyntaxError:33:Expected property id but found ,
5({, a:2 })
6 ^
7SyntaxError:33:Expected property id but found ,
8({a:3,,})
9 ^
10SyntaxError:33:Expected comma but found ident
11({a:3 b:2}
12 ^
13