src/support/cssPointerEvents.js
function checkCssPointerEventsSupported() {

  // Check for existence of CSS property.
  var style = document.createElement('a').style;
  style.cssText = 'pointer-events:auto';
  var hasCssProperty = style.pointerEvents === 'auto';

  // The above result is spurious on emulation mode for IE 8-10.
  var isOldIE = browser.msie && parseFloat(browser.version) < 11;

  return hasCssProperty && !isOldIE;
}
function checkCssPointerEventsSupported() {

  // Check for existence of CSS property.
  var style = document.createElement('a').style;
  style.cssText = 'pointer-events:auto';
  var hasCssProperty = style.pointerEvents === 'auto';

  // The above result is spurious on emulation mode for IE 8-10.
  var isOldIE = browser.msie && parseFloat(browser.version) < 11;

  return hasCssProperty && !isOldIE;
}
function checkCssPointerEventsSupported ( ) { // Check for existence of CSS property. var style = document . createElement ( 'a' ) . style ; style . cssText = 'pointer-events:auto' ; var hasCssProperty = style . pointerEvents === 'auto' ; // The above result is spurious on emulation mode for IE 8-10. var isOldIE = browser . msie && parseFloat ( browser . version ) < 11 ; return hasCssProperty && ! isOldIE ; }
Detect CSS pointer-events support.
Detect CSS pointer - events support .