vendor/uui/js/u-ui.js
function () {
        if(u.isIE8 || u.isIE9){
            this._screenSizeMediaQuery = {};
            var w = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth; 
            if(w > 1024)
                this._screenSizeMediaQuery.matches = false;
            else
                this._screenSizeMediaQuery.matches = true;
        }
        if (this._screenSizeMediaQuery.matches) {
            u.addClass(this.element, this._CssClasses.IS_SMALL_SCREEN);
        } else {
            u.removeClass(this.element, this._CssClasses.IS_SMALL_SCREEN);
            // Collapse drawer (if any) when moving to a large screen size.
            if (this._drawer) {
                u.removeClass(this._drawer, this._CssClasses.IS_DRAWER_OPEN);
                u.removeClass(this._obfuscator, this._CssClasses.IS_DRAWER_OPEN);
            }
        }
    }
function () {
        if(u.isIE8 || u.isIE9){
            this._screenSizeMediaQuery = {};
            var w = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth; 
            if(w > 1024)
                this._screenSizeMediaQuery.matches = false;
            else
                this._screenSizeMediaQuery.matches = true;
        }
        if (this._screenSizeMediaQuery.matches) {
            u.addClass(this.element, this._CssClasses.IS_SMALL_SCREEN);
        } else {
            u.removeClass(this.element, this._CssClasses.IS_SMALL_SCREEN);
            // Collapse drawer (if any) when moving to a large screen size.
            if (this._drawer) {
                u.removeClass(this._drawer, this._CssClasses.IS_DRAWER_OPEN);
                u.removeClass(this._obfuscator, this._CssClasses.IS_DRAWER_OPEN);
            }
        }
    }
function ( ) { if ( u . isIE8 || u . isIE9 ) { this . _screenSizeMediaQuery = { } ; var w = window . innerWidth || document . documentElement . clientWidth || document . body . clientWidth ; if ( w > 1024 ) this . _screenSizeMediaQuery . matches = false ; else this . _screenSizeMediaQuery . matches = true ; } if ( this . _screenSizeMediaQuery . matches ) { u . addClass ( this . element , this . _CssClasses . IS_SMALL_SCREEN ) ; } else { u . removeClass ( this . element , this . _CssClasses . IS_SMALL_SCREEN ) ; // Collapse drawer (if any) when moving to a large screen size. if ( this . _drawer ) { u . removeClass ( this . _drawer , this . _CssClasses . IS_DRAWER_OPEN ) ; u . removeClass ( this . _obfuscator , this . _CssClasses . IS_DRAWER_OPEN ) ; } } }
Handles changes in screen size.

@private
Handles changes in screen size .