MapBrowserEvent#preventDefault() behaves the same as with native events

src/ol/events/Event.js

@@ -22,6 +22,11 @@ class BaseEvent {
      */
     this.propagationStopped;
 
+    /**
+     * @type {boolean}
+     */
+    this.defaultPrevented;
+
     /**
      * The event type.
      * @type {string}
@@ -38,11 +43,12 @@ class BaseEvent {
   }
 
   /**
-   * Stop event propagation.
+   * Prevent default. This means that no emulated `click`, `singleclick` or `doubleclick` events
+   * will be fired.
    * @api
    */
   preventDefault() {
-    this.propagationStopped = true;
+    this.defaultPrevented = true;
   }
 
   /**