Function is_expression

apps/code-beautify/beautify.js:353–355

(mode)

            }

            function is_expression(mode) {
                return in_array(mode, [MODE.Expression, MODE.ForInitializer, MODE.Conditional]);
            }

            function all_lines_start_with(lines, c) {
                for (var i = 0; i < lines.length; i++) {