diff --git a/docs/config/index.md b/docs/config/index.md
index d0206a66699e..e2690c3d499a 100644
--- a/docs/config/index.md
+++ b/docs/config/index.md
@@ -511,6 +511,10 @@ export default <Environment>{
 
 Vitest also exposes `builtinEnvironments` through `vitest/environments` entry, in case you just want to extend it. You can read more about extending environments in [our guide](/guide/environment).
 
+::: tip
+Since Vitest 1.3.0 jsdom environment exposes `jsdom` global variable equal to the current [JSDOM](https://github.com/jsdom/jsdom) instance.
+:::
+
 ### environmentOptions
 
 - **Type:** `Record<'jsdom' | string, unknown>`
diff --git a/packages/vitest/src/integrations/env/jsdom.ts b/packages/vitest/src/integrations/env/jsdom.ts
index 7141e95b60d9..0b509072a7f0 100644
--- a/packages/vitest/src/integrations/env/jsdom.ts
+++ b/packages/vitest/src/integrations/env/jsdom.ts
@@ -67,6 +67,7 @@ export default <Environment>({
 
     // TODO: browser doesn't expose Buffer, but a lot of dependencies use it
     dom.window.Buffer = Buffer
+    dom.window.jsdom = dom
 
     // inject web globals if they missing in JSDOM but otherwise available in Nodejs
     // https://nodejs.org/dist/latest/docs/api/globals.html
@@ -141,10 +142,13 @@ export default <Environment>({
 
     const clearWindowErrors = catchWindowErrors(global)
 
+    global.jsdom = dom
+
     return {
       teardown(global) {
         clearWindowErrors()
         dom.window.close()
+        delete global.jsdom
         keys.forEach(key => delete global[key])
         originals.forEach((v, k) => global[k] = v)
       },