Hello all,

For the following two snippets, they can all pass Firefox.

However, I would like to know the rule of thumb when I have to use ; to indicate the end of 
JS statements.

Thank you

(function($){ $.fn.setReadOnly = function(readonly) { return this.filter('input:text') .attr('readonly',readonly); } })(jQuery); ///////////////////////////////////

(function($){ $.fn.setReadOnly = function(readonly) { return this.filter('input:text') .attr('readonly',readonly); }; })(jQuery);