src/get-bounding-client-rect.js
/**
 * Sets the getBoundingClientRect polyfill if using IE 10 or an
 * earlier version.
 * @param {!Window} win
 */
Sets the getBoundingClientRect polyfill if using IE 10 or an
earlier version.
@param {!Window} win
Sets the getBoundingClientRect polyfill if using IE 10 or an earlier version . @param { !Window } win
function install(win) {
  if (shouldInstall(win)) {
    win.Object.defineProperty(win.Element.prototype, 'getBoundingClientRect', {
      value: getBoundingClientRect,
    });
  }
}
function install ( win ) { if ( shouldInstall ( win ) ) { win . Object . defineProperty ( win . Element . prototype , 'getBoundingClientRect' , { value : getBoundingClientRect , } ) ; } }
Sets the getBoundingClientRect polyfill if using IE 10 or an
 earlier version.
Sets the getBoundingClientRect polyfill if using IE 10 or an earlier version .