Change 'Image' type to 'HTMLImageElement'

src/ol/style/Icon.js

@@ -29,7 +29,7 @@ import ImageStyle from '../style/Image.js';
  * @property {null|string} [crossOrigin] The `crossOrigin` attribute for loaded images. Note that you must provide a
  * `crossOrigin` value if you are using the WebGL renderer or if you want to access pixel data with the Canvas renderer.
  * See {@link https://developer.mozilla.org/en-US/docs/Web/HTML/CORS_enabled_image} for more detail.
- * @property {Image|HTMLCanvasElement} [img] Image object for the icon. If the `src` option is not provided then the
+ * @property {HTMLImageElement|HTMLCanvasElement} [img] Image object for the icon. If the `src` option is not provided then the
  * provided image must already be loaded. And in that case, it is required
  * to provide the size of the image, with the `imgSize` option.
  * @property {Array.<number>} [offset=[0, 0]] Offset, which, together with the size and the offset origin, define the
@@ -106,7 +106,7 @@ const Icon = function(opt_options) {
       options.crossOrigin !== undefined ? options.crossOrigin : null;
 
   /**
-   * @type {Image|HTMLCanvasElement}
+   * @type {HTMLImageElement|HTMLCanvasElement}
    */
   const image = options.img !== undefined ? options.img : null;
 
@@ -299,7 +299,7 @@ Icon.prototype.getColor = function() {
 /**
  * Get the image icon.
  * @param {number} pixelRatio Pixel ratio.
- * @return {Image|HTMLCanvasElement} Image or Canvas element.
+ * @return {HTMLImageElement|HTMLCanvasElement} Image or Canvas element.
  * @override
  * @api
  */