diff --git a/cli/js/globals_test.ts b/cli/js/globals_test.ts
index d6bc87f5c6..70c5e4e374 100644
--- a/cli/js/globals_test.ts
+++ b/cli/js/globals_test.ts
@@ -9,14 +9,26 @@ test(function windowExists(): void {
   assert(window != null);
 });
 
+test(function selfExists(): void {
+  assert(self != null);
+});
+
 test(function windowWindowExists(): void {
   assert(window.window === window);
 });
 
+test(function windowSelfExists(): void {
+  assert(window.self === window);
+});
+
 test(function globalThisEqualsWindow(): void {
   assert(globalThis === window);
 });
 
+test(function globalThisEqualsSelf(): void {
+  assert(globalThis === self);
+});
+
 test(function DenoNamespaceExists(): void {
   assert(Deno != null);
 });
diff --git a/cli/js/lib.deno.window.d.ts b/cli/js/lib.deno.window.d.ts
index 2c62289192..737971d942 100644
--- a/cli/js/lib.deno.window.d.ts
+++ b/cli/js/lib.deno.window.d.ts
@@ -9,6 +9,7 @@
 
 declare interface Window extends WindowOrWorkerGlobalScope {
   window: Window & WindowOrWorkerGlobalScope & typeof globalThis;
+  self: Window & WindowOrWorkerGlobalScope & typeof globalThis;
   onload: Function | undefined;
   onunload: Function | undefined;
   crypto: Crypto;
@@ -16,6 +17,7 @@ declare interface Window extends WindowOrWorkerGlobalScope {
 }
 
 declare const window: Window & WindowOrWorkerGlobalScope & typeof globalThis;
+declare const self: Window & WindowOrWorkerGlobalScope & typeof globalThis;
 declare const onload: Function | undefined;
 declare const onunload: Function | undefined;
 declare const crypto: Crypto;
diff --git a/cli/js/runtime_main.ts b/cli/js/runtime_main.ts
index b5517cbcb6..96bda3cb0f 100644
--- a/cli/js/runtime_main.ts
+++ b/cli/js/runtime_main.ts
@@ -32,6 +32,7 @@ Deno[Deno.symbols.internal] = internalObject;
 
 export const mainRuntimeGlobalProperties = {
   window: readOnly(globalThis),
+  self: readOnly(globalThis),
   Deno: readOnly(Deno),
 
   crypto: readOnly(csprng),