/**
* IE Compatibility Polyfills
*
* Loaded only when the `astra_enable_ie_compatibility` filter returns true.
* Contains polyfills removed from the main theme JS for IE9-11 support.
*
* @since 4.12.6
*/
// Element.matches() polyfill for IE9+.
if ( ! Element.prototype.matches ) {
Element.prototype.matches =
Element.prototype.matchesSelector ||
Element.prototype.mozMatchesSelector ||
Element.prototype.msMatchesSelector ||
Element.prototype.oMatchesSelector ||
Element.prototype.webkitMatchesSelector ||
function( s ) {
var matches = ( this.document || this.ownerDocument ).querySelectorAll( s ),
i = matches.length;
while ( --i >= 0 && matches.item( i ) !== this ) {}
return i > -1;
};
}
// CustomEvent() constructor for IE9-11.
( function() {
if ( typeof window.CustomEvent === 'function' ) return false;
function CustomEvent( event, params ) {
params = params || { bubbles: false, cancelable: false, detail: undefined };
var evt = document.createEvent( 'CustomEvent' );
evt.initCustomEvent( event, params.bubbles, params.cancelable, params.detail );
return evt;
}
CustomEvent.prototype = window.Event.prototype;
window.CustomEvent = CustomEvent;
} )();