{
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            {
              "prefix": "webkit",
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            "version_added": "10"
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          "samsunginternet_android": "mirror",
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            {
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          "standard_track": true,
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        }
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        "__compat": {
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          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "37"
            },
            "firefox_android": "mirror",
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              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
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            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
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          },
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            "experimental": false,
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          }
        }
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          "support": {
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            },
            "chrome_android": "mirror",
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              "version_added": "12"
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            "firefox": {
              "version_added": "10"
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            "firefox_android": {
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              "version_added": "10"
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            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
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            },
            "safari_ios": "mirror",
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            "standard_track": true,
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            "description": "`DOMException` value instead of `DOMError`",
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                "version_added": "48"
              },
              "chrome_android": "mirror",
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              },
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              },
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              },
              "oculus": "mirror",
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              "opera_android": "mirror",
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                },
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                }
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                "version_added": false
              },
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              "oculus": "mirror",
              "opera": "mirror",
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              "standard_track": true,
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            }
          }
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              "version_added": "23"
            },
            "chrome_android": "mirror",
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              "version_added": "12"
            },
            "firefox": {
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            },
            "firefox_android": {
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              "version_added": "10"
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            "oculus": "mirror",
            "opera": "mirror",
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          },
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            "experimental": false,
            "standard_track": true,
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        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/IDBRequest/readyState",
          "spec_url": "https://w3c.github.io/IndexedDB/#ref-for-dom-idbrequest-readystate①",
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            },
            "chrome_android": "mirror",
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              "version_added": "12"
            },
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            },
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            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
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            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
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            "webview_ios": "mirror"
          },
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            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
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        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/IDBRequest/result",
          "spec_url": "https://w3c.github.io/IndexedDB/#ref-for-dom-idbrequest-result①",
          "support": {
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              "version_added": "23"
            },
            "chrome_android": "mirror",
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              "version_added": "12"
            },
            "firefox": {
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            "oculus": "mirror",
            "opera": "mirror",
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          "status": {
            "experimental": false,
            "standard_track": true,
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        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/IDBRequest/source",
          "spec_url": "https://w3c.github.io/IndexedDB/#ref-for-dom-idbrequest-source①",
          "support": {
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              "version_added": "23"
            },
            "chrome_android": "mirror",
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            },
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            "oculus": "mirror",
            "opera": "mirror",
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          },
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            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
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        "__compat": {
          "description": "`success` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/IDBRequest/success_event",
          "spec_url": "https://w3c.github.io/IndexedDB/#eventdef-idbrequest-success",
          "support": {
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            },
            "chrome_android": "mirror",
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            "firefox": {
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            "oculus": "mirror",
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            "experimental": false,
            "standard_track": true,
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          "mdn_url": "https://developer.mozilla.org/docs/Web/API/IDBRequest/transaction",
          "spec_url": "https://w3c.github.io/IndexedDB/#ref-for-dom-idbrequest-transaction①",
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            },
            "chrome_android": "mirror",
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            "oculus": "mirror",
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            "standard_track": true,
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}