editormd.amd.js
function() {
            
            var editor            = this.editor;
            var settings          = this.settings;
            var toolbar           = this.toolbar;
            var fullscreenClass   = this.classPrefix + "fullscreen";  
            
            this.state.fullscreen = false;
            
            if (toolbar) {
                toolbar.find(".fa[name=fullscreen]").parent().removeClass("active"); 
            }

            $("html,body").css("overflow", "");

            editor.css({
                width    : editor.data("oldWidth"),
                height   : editor.data("oldHeight")
            }).removeClass(fullscreenClass);

            this.resize();
            
            $.proxy(settings.onfullscreenExit, this)();

            return this;
        }
function() {
            
            var editor            = this.editor;
            var settings          = this.settings;
            var toolbar           = this.toolbar;
            var fullscreenClass   = this.classPrefix + "fullscreen";  
            
            this.state.fullscreen = false;
            
            if (toolbar) {
                toolbar.find(".fa[name=fullscreen]").parent().removeClass("active"); 
            }

            $("html,body").css("overflow", "");

            editor.css({
                width    : editor.data("oldWidth"),
                height   : editor.data("oldHeight")
            }).removeClass(fullscreenClass);

            this.resize();
            
            $.proxy(settings.onfullscreenExit, this)();

            return this;
        }
编辑器退出全屏显示
Exit fullscreen state

@returns {editormd}         返回editormd的实例对象