diff --git a/src/dtos.py b/src/dtos.py
index 1e9aace..428ee5b 100644
--- a/src/dtos.py
+++ b/src/dtos.py
@@ -18,6 +18,7 @@ class ChallengeResolutionResultT:
 class ChallengeResolutionT:
     status: str = None
     message: str = None
+    jsrespond: str = None
     result: ChallengeResolutionResultT = None
 
     def __init__(self, _dict):
@@ -32,6 +33,7 @@ class V1RequestBase(object):
     cookies: list = None
     maxTimeout: int = None
     proxy: dict = None
+    execjs: str = None
     session: str = None
     session_ttl_minutes: int = None
     headers: list = None  # deprecated v2.0.0, not used
diff --git a/src/flaresolverr_service.py b/src/flaresolverr_service.py
index a469bea..057cb02 100644
--- a/src/flaresolverr_service.py
+++ b/src/flaresolverr_service.py
@@ -387,7 +387,10 @@ def _evil_logic(req: V1RequestBase, driver: WebDriver, method: str) -> Challenge
     challenge_res.status = 200  # todo: fix, selenium not provides this info
     challenge_res.cookies = driver.get_cookies()
     challenge_res.userAgent = utils.get_user_agent(driver)
-
+    if req.execjs:
+        r = driver.execute_script(req.execjs)
+        challenge_res.jsrespond = r
+        logging.info(f"executing {req.execjs} and got an output {r}")
     if not req.returnOnlyCookies:
         challenge_res.headers = {}  # todo: fix, selenium not provides this info
         challenge_res.response = driver.page_source