diff --git a/javascript/builtins/Symbol.json b/javascript/builtins/Symbol.json
new file mode 100644
index 00000000000000..b770b64eac6faa
--- /dev/null
+++ b/javascript/builtins/Symbol.json
@@ -0,0 +1,1033 @@
+{
+  "javascript": {
+    "builtins": {
+      "Symbol": {
+        "__compat": {
+          "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol",
+          "support": {
+            "webview_android": {
+              "version_added": true
+            },
+            "chrome": {
+              "version_added": "38"
+            },
+            "chrome_android": {
+              "version_added": "38"
+            },
+            "edge": {
+              "version_added": "12",
+              "notes": "Edge 12 included Symbol properties in <code>JSON.stringify()</code> output."
+            },
+            "edge_mobile": {
+              "version_added": true
+            },
+            "firefox": {
+              "version_added": "36"
+            },
+            "firefox_android": {
+              "version_added": "36"
+            },
+            "ie": {
+              "version_added": false
+            },
+            "ie_mobile": {
+              "version_added": false
+            },
+            "nodejs": {
+              "version_added": true
+            },
+            "opera": {
+              "version_added": "25"
+            },
+            "opera_android": {
+              "version_added": "25"
+            },
+            "safari": {
+              "version_added": "9"
+            },
+            "safari_ios": {
+              "version_added": "9"
+            }
+          },
+          "status": {
+            "experimental": false,
+            "standard_track": true,
+            "deprecated": false
+          }
+        },
+        "asyncIterator": {
+          "__compat": {
+            "support": {
+              "webview_android": {
+                "version_added": false
+              },
+              "chrome": {
+                "version_added": false
+              },
+              "chrome_android": {
+                "version_added": false
+              },
+              "edge": {
+                "version_added": false
+              },
+              "edge_mobile": {
+                "version_added": false
+              },
+              "firefox": {
+                "version_added": false,
+                "notes": "Available in Firefox Nightly."
+              },
+              "firefox_android": {
+                "version_added": false
+              },
+              "ie": {
+                "version_added": false
+              },
+              "ie_mobile": {
+                "version_added": false
+              },
+              "nodejs": {
+                "version_added": false
+              },
+              "opera": {
+                "version_added": false
+              },
+              "opera_android": {
+                "version_added": false
+              },
+              "safari": {
+                "version_added": false
+              },
+              "safari_ios": {
+                "version_added": false
+              }
+            },
+            "status": {
+              "experimental": true,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "for": {
+          "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol/for",
+            "support": {
+              "webview_android": {
+                "version_added": true
+              },
+              "chrome": {
+                "version_added": "40"
+              },
+              "chrome_android": {
+                "version_added": true
+              },
+              "edge": {
+                "version_added": true
+              },
+              "edge_mobile": {
+                "version_added": true
+              },
+              "firefox": {
+                "version_added": "36"
+              },
+              "firefox_android": {
+                "version_added": "36"
+              },
+              "ie": {
+                "version_added": false
+              },
+              "ie_mobile": {
+                "version_added": false
+              },
+              "nodejs": {
+                "version_added": true
+              },
+              "opera": {
+                "version_added": true
+              },
+              "opera_android": {
+                "version_added": true
+              },
+              "safari": {
+                "version_added": "9"
+              },
+              "safari_ios": {
+                "version_added": "9"
+              }
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "hasInstance": {
+          "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol/hasInstance",
+            "support": {
+              "webview_android": {
+                "version_added": true
+              },
+              "chrome": {
+                "version_added": "51"
+              },
+              "chrome_android": {
+                "version_added": true
+              },
+              "edge": {
+                "version_added": true
+              },
+              "edge_mobile": {
+                "version_added": true
+              },
+              "firefox": {
+                "version_added": "50"
+              },
+              "firefox_android": {
+                "version_added": "50"
+              },
+              "ie": {
+                "version_added": false
+              },
+              "ie_mobile": {
+                "version_added": false
+              },
+              "nodejs": {
+                "version_added": true
+              },
+              "opera": {
+                "version_added": true
+              },
+              "opera_android": {
+                "version_added": true
+              },
+              "safari": {
+                "version_added": true
+              },
+              "safari_ios": {
+                "version_added": true
+              }
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "isConcatSpreadable": {
+          "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol/isConcatSpreadable",
+            "support": {
+              "webview_android": {
+                "version_added": true
+              },
+              "chrome": {
+                "version_added": "48"
+              },
+              "chrome_android": {
+                "version_added": true
+              },
+              "edge": {
+                "version_added": true
+              },
+              "edge_mobile": {
+                "version_added": true
+              },
+              "firefox": {
+                "version_added": "48"
+              },
+              "firefox_android": {
+                "version_added": "48"
+              },
+              "ie": {
+                "version_added": false
+              },
+              "ie_mobile": {
+                "version_added": false
+              },
+              "nodejs": {
+                "version_added": true
+              },
+              "opera": {
+                "version_added": true
+              },
+              "opera_android": {
+                "version_added": true
+              },
+              "safari": {
+                "version_added": true
+              },
+              "safari_ios": {
+                "version_added": true
+              }
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "iterator": {
+          "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol/iterator",
+            "support": {
+              "webview_android": {
+                "version_added": true
+              },
+              "chrome": {
+                "version_added": "43"
+              },
+              "chrome_android": {
+                "version_added": true
+              },
+              "edge": {
+                "version_added": true
+              },
+              "edge_mobile": {
+                "version_added": true
+              },
+              "firefox": {
+                "version_added": "36"
+              },
+              "firefox_android": {
+                "version_added": "36"
+              },
+              "ie": {
+                "version_added": false
+              },
+              "ie_mobile": {
+                "version_added": false
+              },
+              "nodejs": {
+                "version_added": true
+              },
+              "opera": {
+                "version_added": "30"
+              },
+              "opera_android": {
+                "version_added": true
+              },
+              "safari": {
+                "version_added": "10"
+              },
+              "safari_ios": {
+                "version_added": "10"
+              }
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "keyFor": {
+          "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol/keyFor",
+            "support": {
+              "webview_android": {
+                "version_added": true
+              },
+              "chrome": {
+                "version_added": "40"
+              },
+              "chrome_android": {
+                "version_added": true
+              },
+              "edge": {
+                "version_added": true
+              },
+              "edge_mobile": {
+                "version_added": true
+              },
+              "firefox": {
+                "version_added": "36"
+              },
+              "firefox_android": {
+                "version_added": "36"
+              },
+              "ie": {
+                "version_added": false
+              },
+              "ie_mobile": {
+                "version_added": false
+              },
+              "nodejs": {
+                "version_added": true
+              },
+              "opera": {
+                "version_added": true
+              },
+              "opera_android": {
+                "version_added": true
+              },
+              "safari": {
+                "version_added": "9"
+              },
+              "safari_ios": {
+                "version_added": "9"
+              }
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "match": {
+          "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol/match",
+            "support": {
+              "webview_android": {
+                "version_added": true
+              },
+              "chrome": {
+                "version_added": "50"
+              },
+              "chrome_android": {
+                "version_added": true
+              },
+              "edge": {
+                "version_added": true
+              },
+              "edge_mobile": {
+                "version_added": true
+              },
+              "firefox": {
+                "version_added": "40"
+              },
+              "firefox_android": {
+                "version_added": "40"
+              },
+              "ie": {
+                "version_added": false
+              },
+              "ie_mobile": {
+                "version_added": false
+              },
+              "nodejs": {
+                "version_added": true
+              },
+              "opera": {
+                "version_added": true
+              },
+              "opera_android": {
+                "version_added": true
+              },
+              "safari": {
+                "version_added": true
+              },
+              "safari_ios": {
+                "version_added": true
+              }
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "prototype": {
+          "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol/prototype",
+            "support": {
+              "webview_android": {
+                "version_added": true
+              },
+              "chrome": {
+                "version_added": "38"
+              },
+              "chrome_android": {
+                "version_added": "38"
+              },
+              "edge": {
+                "version_added": "12"
+              },
+              "edge_mobile": {
+                "version_added": true
+              },
+              "firefox": {
+                "version_added": "36"
+              },
+              "firefox_android": {
+                "version_added": "36"
+              },
+              "ie": {
+                "version_added": false
+              },
+              "ie_mobile": {
+                "version_added": false
+              },
+              "nodejs": {
+                "version_added": true
+              },
+              "opera": {
+                "version_added": "25"
+              },
+              "opera_android": {
+                "version_added": "25"
+              },
+              "safari": {
+                "version_added": "9"
+              },
+              "safari_ios": {
+                "version_added": "9"
+              }
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "replace": {
+          "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol/replace",
+            "support": {
+              "webview_android": {
+                "version_added": true
+              },
+              "chrome": {
+                "version_added": "50"
+              },
+              "chrome_android": {
+                "version_added": true
+              },
+              "edge": {
+                "version_added": true
+              },
+              "edge_mobile": {
+                "version_added": true
+              },
+              "firefox": {
+                "version_added": "49"
+              },
+              "firefox_android": {
+                "version_added": "49"
+              },
+              "ie": {
+                "version_added": false
+              },
+              "ie_mobile": {
+                "version_added": false
+              },
+              "nodejs": {
+                "version_added": true
+              },
+              "opera": {
+                "version_added": true
+              },
+              "opera_android": {
+                "version_added": true
+              },
+              "safari": {
+                "version_added": true
+              },
+              "safari_ios": {
+                "version_added": true
+              }
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "search": {
+          "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol/search",
+            "support": {
+              "webview_android": {
+                "version_added": true
+              },
+              "chrome": {
+                "version_added": "50"
+              },
+              "chrome_android": {
+                "version_added": true
+              },
+              "edge": {
+                "version_added": true
+              },
+              "edge_mobile": {
+                "version_added": true
+              },
+              "firefox": {
+                "version_added": "49"
+              },
+              "firefox_android": {
+                "version_added": "49"
+              },
+              "ie": {
+                "version_added": false
+              },
+              "ie_mobile": {
+                "version_added": false
+              },
+              "nodejs": {
+                "version_added": true
+              },
+              "opera": {
+                "version_added": true
+              },
+              "opera_android": {
+                "version_added": true
+              },
+              "safari": {
+                "version_added": true
+              },
+              "safari_ios": {
+                "version_added": true
+              }
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "species": {
+          "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol/species",
+            "support": {
+              "webview_android": {
+                "version_added": true
+              },
+              "chrome": {
+                "version_added": "51"
+              },
+              "chrome_android": {
+                "version_added": true
+              },
+              "edge": {
+                "version_added": "14"
+              },
+              "edge_mobile": {
+                "version_added": "14"
+              },
+              "firefox": {
+                "version_added": "41"
+              },
+              "firefox_android": {
+                "version_added": "41"
+              },
+              "ie": {
+                "version_added": false
+              },
+              "ie_mobile": {
+                "version_added": false
+              },
+              "nodejs": {
+                "version_added": true
+              },
+              "opera": {
+                "version_added": "38"
+              },
+              "opera_android": {
+                "version_added": "38"
+              },
+              "safari": {
+                "version_added": "10"
+              },
+              "safari_ios": {
+                "version_added": "10"
+              }
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "split": {
+          "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol/split",
+            "support": {
+              "webview_android": {
+                "version_added": true
+              },
+              "chrome": {
+                "version_added": "50"
+              },
+              "chrome_android": {
+                "version_added": true
+              },
+              "edge": {
+                "version_added": true
+              },
+              "edge_mobile": {
+                "version_added": true
+              },
+              "firefox": {
+                "version_added": "49"
+              },
+              "firefox_android": {
+                "version_added": "49"
+              },
+              "ie": {
+                "version_added": false
+              },
+              "ie_mobile": {
+                "version_added": false
+              },
+              "nodejs": {
+                "version_added": true
+              },
+              "opera": {
+                "version_added": true
+              },
+              "opera_android": {
+                "version_added": true
+              },
+              "safari": {
+                "version_added": true
+              },
+              "safari_ios": {
+                "version_added": true
+              }
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "toPrimitive": {
+          "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol/toPrimitive",
+            "support": {
+              "webview_android": {
+                "version_added": true
+              },
+              "chrome": {
+                "version_added": "48"
+              },
+              "chrome_android": {
+                "version_added": true
+              },
+              "edge": {
+                "version_added": true
+              },
+              "edge_mobile": {
+                "version_added": true
+              },
+              "firefox": {
+                "version_added": "44"
+              },
+              "firefox_android": {
+                "version_added": "44"
+              },
+              "ie": {
+                "version_added": false
+              },
+              "ie_mobile": {
+                "version_added": false
+              },
+              "nodejs": {
+                "version_added": true
+              },
+              "opera": {
+                "version_added": true
+              },
+              "opera_android": {
+                "version_added": true
+              },
+              "safari": {
+                "version_added": true
+              },
+              "safari_ios": {
+                "version_added": true
+              }
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "toSource": {
+          "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol/toSource",
+            "support": {
+              "webview_android": {
+                "version_added": false
+              },
+              "chrome": {
+                "version_added": false
+              },
+              "chrome_android": {
+                "version_added": false
+              },
+              "edge": {
+                "version_added": false
+              },
+              "edge_mobile": {
+                "version_added": false
+              },
+              "firefox": {
+                "version_added": "36"
+              },
+              "firefox_android": {
+                "version_added": "36"
+              },
+              "ie": {
+                "version_added": false
+              },
+              "ie_mobile": {
+                "version_added": false
+              },
+              "nodejs": {
+                "version_added": false
+              },
+              "opera": {
+                "version_added": false
+              },
+              "opera_android": {
+                "version_added": false
+              },
+              "safari": {
+                "version_added": false
+              },
+              "safari_ios": {
+                "version_added": false
+              }
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": false,
+              "deprecated": false
+            }
+          }
+        },
+        "toStringTag": {
+          "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol/toStringTag",
+            "support": {
+              "webview_android": {
+                "version_added": true
+              },
+              "chrome": {
+                "version_added": "49"
+              },
+              "chrome_android": {
+                "version_added": true
+              },
+              "edge": {
+                "version_added": true
+              },
+              "edge_mobile": {
+                "version_added": true
+              },
+              "firefox": {
+                "version_added": "51"
+              },
+              "firefox_android": {
+                "version_added": "51"
+              },
+              "ie": {
+                "version_added": false
+              },
+              "ie_mobile": {
+                "version_added": false
+              },
+              "nodejs": {
+                "version_added": true
+              },
+              "opera": {
+                "version_added": true
+              },
+              "opera_android": {
+                "version_added": true
+              },
+              "safari": {
+                "version_added": true
+              },
+              "safari_ios": {
+                "version_added": true
+              }
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "unscopables": {
+          "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol/unscopables",
+            "support": {
+              "webview_android": {
+                "version_added": true
+              },
+              "chrome": {
+                "version_added": "38"
+              },
+              "chrome_android": {
+                "version_added": true
+              },
+              "edge": {
+                "version_added": true
+              },
+              "edge_mobile": {
+                "version_added": true
+              },
+              "firefox": {
+                "version_added": "48"
+              },
+              "firefox_android": {
+                "version_added": "48"
+              },
+              "ie": {
+                "version_added": false
+              },
+              "ie_mobile": {
+                "version_added": false
+              },
+              "nodejs": {
+                "version_added": true
+              },
+              "opera": {
+                "version_added": true
+              },
+              "opera_android": {
+                "version_added": true
+              },
+              "safari": {
+                "version_added": "9"
+              },
+              "safari_ios": {
+                "version_added": "9"
+              }
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "valueOf": {
+          "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol/valueOf",
+            "support": {
+              "webview_android": {
+                "version_added": true
+              },
+              "chrome": {
+                "version_added": "38"
+              },
+              "chrome_android": {
+                "version_added": "38"
+              },
+              "edge": {
+                "version_added": "12"
+              },
+              "edge_mobile": {
+                "version_added": true
+              },
+              "firefox": {
+                "version_added": "36"
+              },
+              "firefox_android": {
+                "version_added": "36"
+              },
+              "ie": {
+                "version_added": false
+              },
+              "ie_mobile": {
+                "version_added": false
+              },
+              "nodejs": {
+                "version_added": true
+              },
+              "opera": {
+                "version_added": "25"
+              },
+              "opera_android": {
+                "version_added": "25"
+              },
+              "safari": {
+                "version_added": "9"
+              },
+              "safari_ios": {
+                "version_added": "9"
+              }
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "@@toPrimitive": {
+          "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Symbol/@@toPrimitive",
+            "support": {
+              "webview_android": {
+                "version_added": null
+              },
+              "chrome": {
+                "version_added": null
+              },
+              "chrome_android": {
+                "version_added": null
+              },
+              "edge": {
+                "version_added": null
+              },
+              "edge_mobile": {
+                "version_added": null
+              },
+              "firefox": {
+                "version_added": "44"
+              },
+              "firefox_android": {
+                "version_added": "44"
+              },
+              "ie": {
+                "version_added": false
+              },
+              "ie_mobile": {
+                "version_added": false
+              },
+              "nodejs": {
+                "version_added": null
+              },
+              "opera": {
+                "version_added": null
+              },
+              "opera_android": {
+                "version_added": null
+              },
+              "safari": {
+                "version_added": null
+              },
+              "safari_ios": {
+                "version_added": null
+              }
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        }
+      }
+    }
+  }
+}