http://mozdev.i2p/en-US/docs/Web/JavaScript/Reference/Errors/Missing_bracket_after_list
Likely there is a closing square bracket ( ] ) or a comma ( , ) missing. Examples Incomplete array initializer js const list = [ 1 , 2 , const instruments = [ "Ukulele" , "Guitar" , "Piano" , } ; const data = [ { foo : "bar" } { bar : "foo" } ] ; Correct would be: js const list = [ 1 , 2 ] ; const instruments = [ "Ukulele" , "Guitar" , "Piano" ] ; const data = [ { foo : "bar" } , { bar : "foo" } ] ; See also Array Help improve MDN Was this page helpful to you?