function getElementStyleSheet(element) {
  assertHTMLElement(element);
  return genericPropertyGet(
      Methods.SHEET_GETTER, element, 'sheet', function(sheet) {
        return sheet instanceof CSSStyleSheet;
      });
}
function getElementStyleSheet(element) {
  assertHTMLElement(element);
  return genericPropertyGet(
      Methods.SHEET_GETTER, element, 'sheet', function(sheet) {
        return sheet instanceof CSSStyleSheet;
      });
}
function getElementStyleSheet ( element ) { assertHTMLElement ( element ) ; return genericPropertyGet ( Methods . SHEET_GETTER , element , 'sheet' , function ( sheet ) { return sheet instanceof CSSStyleSheet ; } ) ; }
Returns an element's style without falling prey to things like
<form><input name="style"></form>.
@param {!Element} element
@return {!CSSStyleSheet}
Returns an element s style without falling prey to things like <form > <input name = style > < / form > .
Returns the style sheet of an HTMLElement