diff --git a/jquery.pjax/jquery.pjax-tests.ts b/jquery.pjax/jquery.pjax-tests.ts
index e5076a5a9..4d3c18591 100644
--- a/jquery.pjax/jquery.pjax-tests.ts
+++ b/jquery.pjax/jquery.pjax-tests.ts
@@ -14,3 +14,10 @@ function test_click() {
     $.pjax.click(event, { container: "#pjax-container" });
     $.pjax.click(event, "#pjax-container", { push: true });
 }
+
+function test_submit() {
+    var event = $.Event("submit");
+    $.pjax.submit(event, "#pjax-container");
+    $.pjax.submit(event, { container: "#pjax-container" });
+    $.pjax.submit(event, "#pjax-container", { push: true });
+}
diff --git a/jquery.pjax/jquery.pjax.d.ts b/jquery.pjax/jquery.pjax.d.ts
index aaeecf7d5..b773dd461 100644
--- a/jquery.pjax/jquery.pjax.d.ts
+++ b/jquery.pjax/jquery.pjax.d.ts
@@ -78,4 +78,25 @@ interface PjaxStatic {
      * - replace: a boolean indicates whether to use replaceState instead of pushState. Default is false.
      */
     click(event: JQueryEventObject, containerSelector?: string, options?: PjaxSettings): void;
+    
+    /**
+     * PJAX on form submit handler
+     * @param event A jQuery click event.
+     * @param options PJAX settings, which is a superset of jQuery AJAX settings. It includes the following specific options:
+     * - container: a jQuery selector indicates where to stick the response body. E.g., $(container).html(xhr.responseBody).
+     * - push: a boolean indicates whether to pushState the URL. Default is true.
+     * - replace: a boolean indicates whether to use replaceState instead of pushState. Default is false.
+     */
+    submit(event: JQueryEventObject, options?: PjaxSettings): void;
+
+    /**
+     * PJAX on form submit handler
+     * @param event A jQuery click event.
+     * @param containerSelector A jQuery selector indicates where to stick the response body. E.g., $(containerSelector).html(xhr.responseBody).
+     * @param options PJAX settings, which is a superset of jQuery AJAX settings. It includes the following specific options:
+     * - container: a jQuery selector indicates where to stick the response body. The `containerSelector` parameter has priority.
+     * - push: a boolean indicates whether to pushState the URL. Default is true.
+     * - replace: a boolean indicates whether to use replaceState instead of pushState. Default is false.
+     */
+    submit(event: JQueryEventObject, containerSelector?: string, options?: PjaxSettings): void;
 }