vendor/uui/js/u-ui.js
function () {
        if (this._input.value && this._input.value.length > 0) {
            u.addClass(this.element, this._CssClasses.IS_DIRTY);
        } else {
            u.removeClass(this.element, this._CssClasses.IS_DIRTY);
        }
    }
function () {
        if (this._input.value && this._input.value.length > 0) {
            u.addClass(this.element, this._CssClasses.IS_DIRTY);
        } else {
            u.removeClass(this.element, this._CssClasses.IS_DIRTY);
        }
    }
function ( ) { if ( this . _input . value && this . _input . value . length > 0 ) { u . addClass ( this . element , this . _CssClasses . IS_DIRTY ) ; } else { u . removeClass ( this . element , this . _CssClasses . IS_DIRTY ) ; } }
Check the dirty state and update field accordingly.

@public
Check the dirty state and update field accordingly .