{
  "api": {
    "FileReader": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReader",
        "spec_url": "https://w3c.github.io/FileAPI/#APIASynch",
        "tags": [
          "web-features:file"
        ],
        "support": {
          "chrome": {
            "version_added": "6"
          },
          "chrome_android": "mirror",
          "deno": {
            "version_added": "1.0"
          },
          "edge": {
            "version_added": "12"
          },
          "firefox": {
            "version_added": "3.6",
            "notes": "Before Firefox 4, `Blob` parameters were `File` parameters."
          },
          "firefox_android": {
            "version_added": "32"
          },
          "ie": {
            "version_added": "10"
          },
          "oculus": "mirror",
          "opera": {
            "version_added": "11"
          },
          "opera_android": {
            "version_added": "11"
          },
          "safari": {
            "version_added": "6"
          },
          "safari_ios": "mirror",
          "samsunginternet_android": "mirror",
          "webview_android": {
            "version_added": "3"
          },
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "FileReader": {
        "__compat": {
          "description": "`FileReader()` constructor",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReader/FileReader",
          "spec_url": "https://w3c.github.io/FileAPI/#filereaderConstrctr",
          "tags": [
            "web-features:file"
          ],
          "support": {
            "chrome": {
              "version_added": "6"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.3"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.6"
            },
            "firefox_android": {
              "version_added": "32"
            },
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "worker_support": {
        "__compat": {
          "description": "Available in workers",
          "tags": [
            "web-features:file"
          ],
          "support": {
            "chrome": {
              "version_added": "6"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.3"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "46"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "11"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "11"
            },
            "opera_android": {
              "version_added": "11"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "abort": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReader/abort",
          "spec_url": "https://w3c.github.io/FileAPI/#abort",
          "tags": [
            "web-features:file"
          ],
          "support": {
            "chrome": {
              "version_added": "6"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.3"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.6"
            },
            "firefox_android": {
              "version_added": "32"
            },
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "11"
            },
            "opera_android": {
              "version_added": "11"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "abort_event": {
        "__compat": {
          "description": "`abort` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReader/abort_event",
          "spec_url": [
            "https://w3c.github.io/FileAPI/#dfn-abort-event",
            "https://w3c.github.io/FileAPI/#dfn-onabort"
          ],
          "tags": [
            "web-features:file"
          ],
          "support": {
            "chrome": {
              "version_added": "6"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.3"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.6"
            },
            "firefox_android": {
              "version_added": "32"
            },
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "11"
            },
            "opera_android": {
              "version_added": "11"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "error": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReader/error",
          "spec_url": "https://w3c.github.io/FileAPI/#dom-filereader-error",
          "tags": [
            "web-features:file"
          ],
          "support": {
            "chrome": {
              "version_added": "6"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.3"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.6",
              "notes": [
                "Before Firefox 13, the `error` property returned a `FileError` object.",
                "From Firefox 13 to Firefox 58, the `error` property returned a `DOMError` object.",
                "From Firefox 58, the `error` property returns a `DOMException` object."
              ]
            },
            "firefox_android": {
              "version_added": "32",
              "notes": [
                "From Firefox 32 to Firefox 58, the `error` property returned a `DOMError` object.",
                "From Firefox 58, the `error` property returns a `DOMException` object."
              ]
            },
            "ie": {
              "version_added": "10",
              "notes": "The `error` property returns a `DOMError` object."
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "11"
            },
            "opera_android": {
              "version_added": "11"
            },
            "safari": {
              "version_added": "6",
              "notes": "The `error` property returns a `DOMError` object."
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "error_event": {
        "__compat": {
          "description": "`error` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReader/error_event",
          "spec_url": [
            "https://w3c.github.io/FileAPI/#dfn-error-event",
            "https://w3c.github.io/FileAPI/#dfn-onerror"
          ],
          "tags": [
            "web-features:file"
          ],
          "support": {
            "chrome": {
              "version_added": "6"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.3"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.6"
            },
            "firefox_android": {
              "version_added": "32"
            },
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "11"
            },
            "opera_android": {
              "version_added": "11"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "load_event": {
        "__compat": {
          "description": "`load` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReader/load_event",
          "spec_url": [
            "https://w3c.github.io/FileAPI/#dfn-load-event",
            "https://w3c.github.io/FileAPI/#dfn-onload"
          ],
          "tags": [
            "web-features:file"
          ],
          "support": {
            "chrome": {
              "version_added": "6"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.3"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.6"
            },
            "firefox_android": {
              "version_added": "32"
            },
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "11"
            },
            "opera_android": {
              "version_added": "11"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "loadend_event": {
        "__compat": {
          "description": "`loadend` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReader/loadend_event",
          "spec_url": [
            "https://w3c.github.io/FileAPI/#dfn-loadend-event",
            "https://w3c.github.io/FileAPI/#dfn-onloadend"
          ],
          "tags": [
            "web-features:file"
          ],
          "support": {
            "chrome": {
              "version_added": "6"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.3"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.6"
            },
            "firefox_android": {
              "version_added": "32"
            },
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "11"
            },
            "opera_android": {
              "version_added": "11"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "loadstart_event": {
        "__compat": {
          "description": "`loadstart` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReader/loadstart_event",
          "spec_url": [
            "https://w3c.github.io/FileAPI/#dfn-loadstart-event",
            "https://w3c.github.io/FileAPI/#dfn-onloadstart"
          ],
          "tags": [
            "web-features:file"
          ],
          "support": {
            "chrome": {
              "version_added": "6"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.3"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": [
              {
                "version_added": "79"
              },
              {
                "version_added": "3.6",
                "version_removed": "79",
                "partial_implementation": true,
                "notes": "`loadstart` event dispatches synchronously (should be asynchronously as per spec)."
              }
            ],
            "firefox_android": [
              {
                "version_added": "79"
              },
              {
                "version_added": "32",
                "version_removed": "79",
                "partial_implementation": true,
                "notes": "`loadstart` event dispatches synchronously (should be asynchronously as per spec)."
              }
            ],
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "11"
            },
            "opera_android": {
              "version_added": "11"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "progress_event": {
        "__compat": {
          "description": "`progress` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReader/progress_event",
          "spec_url": [
            "https://w3c.github.io/FileAPI/#dfn-progress-event",
            "https://w3c.github.io/FileAPI/#dfn-onprogress"
          ],
          "tags": [
            "web-features:file"
          ],
          "support": {
            "chrome": {
              "version_added": "6"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.3"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.6"
            },
            "firefox_android": {
              "version_added": "32"
            },
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "11"
            },
            "opera_android": {
              "version_added": "11"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "readAsArrayBuffer": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReader/readAsArrayBuffer",
          "spec_url": "https://w3c.github.io/FileAPI/#readAsArrayBuffer",
          "tags": [
            "web-features:file"
          ],
          "support": {
            "chrome": {
              "version_added": "6"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.3"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.6"
            },
            "firefox_android": {
              "version_added": "32"
            },
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "12"
            },
            "opera_android": {
              "version_added": "12"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "readAsBinaryString": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReader/readAsBinaryString",
          "spec_url": "https://w3c.github.io/FileAPI/#readAsBinaryString",
          "support": {
            "chrome": {
              "version_added": "6"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.3"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.6"
            },
            "firefox_android": {
              "version_added": "32"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "11"
            },
            "opera_android": {
              "version_added": "11"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "readAsDataURL": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReader/readAsDataURL",
          "spec_url": "https://w3c.github.io/FileAPI/#readAsDataURL",
          "tags": [
            "web-features:file"
          ],
          "support": {
            "chrome": {
              "version_added": "6"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.3"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.6"
            },
            "firefox_android": {
              "version_added": "32",
              "notes": "Using the camera in Android 8.x raises an exception. See [bug 1511083](https://bugzil.la/1511083)."
            },
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "11"
            },
            "opera_android": {
              "version_added": "11"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "readAsText": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReader/readAsText",
          "spec_url": "https://w3c.github.io/FileAPI/#readAsDataText",
          "tags": [
            "web-features:file"
          ],
          "support": {
            "chrome": {
              "version_added": "6"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.3"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.6"
            },
            "firefox_android": {
              "version_added": "32"
            },
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "11"
            },
            "opera_android": {
              "version_added": "11"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "readyState": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReader/readyState",
          "spec_url": "https://w3c.github.io/FileAPI/#dom-filereader-readystate",
          "tags": [
            "web-features:file"
          ],
          "support": {
            "chrome": {
              "version_added": "6"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.3"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.6"
            },
            "firefox_android": {
              "version_added": "32"
            },
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "11"
            },
            "opera_android": {
              "version_added": "11"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "result": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReader/result",
          "spec_url": "https://w3c.github.io/FileAPI/#dom-filereader-result",
          "tags": [
            "web-features:file"
          ],
          "support": {
            "chrome": {
              "version_added": "6"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.3"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.6"
            },
            "firefox_android": {
              "version_added": "32"
            },
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "11"
            },
            "opera_android": {
              "version_added": "11"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}