{
  "api": {
    "MessageChannel": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/MessageChannel",
        "support": {
          "chrome": {
            "version_added": "4"
          },
          "chrome_android": {
            "version_added": "18"
          },
          "edge": {
            "version_added": "12"
          },
          "firefox": {
            "version_added": "41"
          },
          "firefox_android": {
            "version_added": "41"
          },
          "ie": {
            "version_added": "10"
          },
          "nodejs": {
            "version_added": "10.5.0",
            "notes": "Must be imported from the <code>worker_threads</code> module."
          },
          "opera": {
            "version_added": "10.6"
          },
          "opera_android": {
            "version_added": "11"
          },
          "safari": {
            "version_added": "5"
          },
          "safari_ios": {
            "version_added": "5.1"
          },
          "samsunginternet_android": {
            "version_added": "1.0"
          },
          "webview_android": {
            "version_added": "4.4"
          }
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "MessageChannel": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MessageChannel/MessageChannel",
          "description": "<code>MessageChannel()</code> constructor",
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "41"
            },
            "firefox_android": {
              "version_added": "41"
            },
            "ie": {
              "version_added": "10"
            },
            "nodejs": {
              "version_added": "10.5.0",
              "notes": "Must be imported from the <code>worker_threads</code> module."
            },
            "opera": {
              "version_added": "10.6"
            },
            "opera_android": {
              "version_added": "11"
            },
            "safari": {
              "version_added": "5"
            },
            "safari_ios": {
              "version_added": "5.1"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "4.4"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "port1": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MessageChannel/port1",
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "41"
            },
            "firefox_android": {
              "version_added": "41"
            },
            "ie": {
              "version_added": "10"
            },
            "nodejs": {
              "version_added": "10.5.0"
            },
            "opera": {
              "version_added": "10.6"
            },
            "opera_android": {
              "version_added": "11"
            },
            "safari": {
              "version_added": "5"
            },
            "safari_ios": {
              "version_added": "5.1"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "4.4"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "port2": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MessageChannel/port2",
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "41"
            },
            "firefox_android": {
              "version_added": "41"
            },
            "ie": {
              "version_added": "10"
            },
            "nodejs": {
              "version_added": "10.5.0"
            },
            "opera": {
              "version_added": "10.6"
            },
            "opera_android": {
              "version_added": "11"
            },
            "safari": {
              "version_added": "5"
            },
            "safari_ios": {
              "version_added": "5.1"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "4.4"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}