Function cb

static/wangEditor/js/wangEditor.js:7444–7451

()

                html = $txt.html();
                // 监控内容变化
                var cb = function  () {
                    if (callback) {
                        callback();
                    }
                    if (html !== $txt.html()) {
                        $txt.change();
                    }
                };
                // 执行命令
                if (commandFn) {
                    editor.customCommand(e, commandFn, cb);