diff --git a/javascript/builtins/AsyncFunction.json b/javascript/builtins/AsyncFunction.json
index 55e4f5c6047af..50a96f6a52bbb 100644
--- a/javascript/builtins/AsyncFunction.json
+++ b/javascript/builtins/AsyncFunction.json
@@ -52,6 +52,60 @@
             "standard_track": true,
             "deprecated": false
           }
+        },
+        "AsyncFunction": {
+          "__compat": {
+            "description": "<code>AsyncFunction()</code> constructor",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/AsyncFunction/AsyncFunction",
+            "spec_url": "https://tc39.es/ecma262/multipage/control-abstraction-objects.html#sec-async-function-constructor",
+            "support": {
+              "chrome": {
+                "version_added": "55"
+              },
+              "chrome_android": "mirror",
+              "deno": {
+                "version_added": "1.0"
+              },
+              "edge": {
+                "version_added": "15"
+              },
+              "firefox": {
+                "version_added": "52"
+              },
+              "firefox_android": "mirror",
+              "ie": {
+                "version_added": false
+              },
+              "nodejs": [
+                {
+                  "version_added": "7.6.0"
+                },
+                {
+                  "version_added": "7.0.0",
+                  "flags": [
+                    {
+                      "type": "runtime_flag",
+                      "name": "--harmony"
+                    }
+                  ]
+                }
+              ],
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": "10.1"
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
         }
       }
     }
diff --git a/javascript/builtins/AsyncGeneratorFunction.json b/javascript/builtins/AsyncGeneratorFunction.json
index 3a28cac06877b..0d4a80773c315 100644
--- a/javascript/builtins/AsyncGeneratorFunction.json
+++ b/javascript/builtins/AsyncGeneratorFunction.json
@@ -50,6 +50,58 @@
             "standard_track": true,
             "deprecated": false
           }
+        },
+        "AsyncGeneratorFunction": {
+          "__compat": {
+            "description": "<code>AsyncGeneratorFunction()</code> constructor",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/AsyncGeneratorFunction/AsyncGeneratorFunction",
+            "spec_url": "https://tc39.es/ecma262/multipage/control-abstraction-objects.html#sec-asyncgeneratorfunction-constructor",
+            "support": {
+              "chrome": {
+                "version_added": "63"
+              },
+              "chrome_android": "mirror",
+              "deno": {
+                "version_added": "1.0"
+              },
+              "edge": "mirror",
+              "firefox": {
+                "version_added": "55"
+              },
+              "firefox_android": "mirror",
+              "ie": {
+                "version_added": false
+              },
+              "nodejs": [
+                {
+                  "version_added": "10.0.0"
+                },
+                {
+                  "version_added": "8.10.0",
+                  "flags": [
+                    {
+                      "type": "runtime_flag",
+                      "name": "--harmony"
+                    }
+                  ]
+                }
+              ],
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": "12"
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
         }
       }
     }
diff --git a/javascript/builtins/GeneratorFunction.json b/javascript/builtins/GeneratorFunction.json
index 4ba630123e8e4..01b4ad31fba91 100644
--- a/javascript/builtins/GeneratorFunction.json
+++ b/javascript/builtins/GeneratorFunction.json
@@ -52,6 +52,60 @@
             "standard_track": true,
             "deprecated": false
           }
+        },
+        "GeneratorFunction": {
+          "__compat": {
+            "description": "<code>GeneratorFunction()</code> constructor",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/GeneratorFunction/GeneratorFunction",
+            "spec_url": "https://tc39.es/ecma262/multipage/control-abstraction-objects.html#sec-generatorfunction-constructor",
+            "support": {
+              "chrome": {
+                "version_added": "39"
+              },
+              "chrome_android": "mirror",
+              "deno": {
+                "version_added": "1.0"
+              },
+              "edge": {
+                "version_added": "13"
+              },
+              "firefox": {
+                "version_added": "26"
+              },
+              "firefox_android": "mirror",
+              "ie": {
+                "version_added": false
+              },
+              "nodejs": [
+                {
+                  "version_added": "4.0.0"
+                },
+                {
+                  "version_added": "0.12.0",
+                  "flags": [
+                    {
+                      "type": "runtime_flag",
+                      "name": "--harmony"
+                    }
+                  ]
+                }
+              ],
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": "10"
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
         }
       }
     }