docs: function injectSvg(){
        // set base before <style> element creating, because IE9+ set baseURI
        // for <style> element on element creation
        setBase(this.baseURI);
  
        // create <style> element for first time
        if (!this.element)
        {
          this.element = document.createElement('span');
  
          /** @cut */ this.element.setAttribute('src', this.url);
        }
  
        // add element to document
        svgStorageElement.appendChild(this.element);
  
        this.syncSvgText();
  
        restoreBase();
      }