{
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            "firefox": {
              "version_added": true
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              "version_added": true
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              "version_added": true
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              "version_added": false
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              "version_added": true
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              "version_added": true
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              {
                "version_added": "28"
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              {
                "prefix": "webkit",
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              "version_added": true
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              "version_added": true
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              "version_added": false
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              "version_added": false
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                "version_added": "1.5"
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                "prefix": "webkit",
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              {
                "version_added": "28"
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              {
                "prefix": "webkit",
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              "version_added": true
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              "version_added": true
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              "version_added": false
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              "version_added": false
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              "version_added": false
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              {
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              {
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              {
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                "prefix": "webkit",
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                "prefix": "webkit",
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              {
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              "version_added": "11"
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          "status": {
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            "standard_track": true,
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              "version_added": "7"
            },
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              "version_added": "18"
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              "version_added": "≤79"
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              "version_added": false
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              "version_added": false
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              "version_added": false
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              "version_added": true
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            "opera_android": {
              "version_added": true
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              "version_added": false
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        }
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              "version_added": "18"
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            "standard_track": true,
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              {
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            },
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            },
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                "In Firefox 57.0.4 the accuracy was reduced to 20 microseconds.",
                "In Firefox 59 the accuracy was reduced to 2 milliseconds.",
                "In Firefox 60 the accuracy was increased to 1 millisecond."
              ]
            },
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              "version_added": false
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              "version_added": true
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            "standard_track": true,
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          "description": "<code>resourcetimingbufferfull</code> event",
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                "alternative_name": "webkitresourcetimingbufferfull"
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              "version_added": true
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              "version_added": false
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              "version_added": false
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            "opera_android": {
              "version_added": true
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                "prefix": "webkit"
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                "prefix": "webkit"
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            "firefox": {
              "version_added": true
            },
            "firefox_android": {
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              "version_added": true
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            "nodejs": {
              "version_added": false
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            "opera": {
              "version_added": true
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              "version_added": true
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            "samsunginternet_android": [
              {
                "version_added": "5.0"
              },
              {
                "prefix": "webkit",
                "version_added": "1.5",
                "version_removed": "7.0"
              }
            ],
            "webview_android": [
              {
                "version_added": "46"
              },
              {
                "version_added": true,
                "version_removed": "57",
                "prefix": "webkit"
              }
            ]
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "timeOrigin": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Performance/timeOrigin",
          "support": {
            "chrome": {
              "version_added": "62"
            },
            "chrome_android": {
              "version_added": "62"
            },
            "edge": {
              "version_added": "16"
            },
            "firefox": {
              "version_added": "53"
            },
            "firefox_android": {
              "version_added": "53"
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              "version_added": false
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              "version_added": "49"
            },
            "opera_android": {
              "version_added": "46"
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              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "8.0"
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            "webview_android": {
              "version_added": "62"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "timing": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Performance/timing",
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              "version_added": "12"
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              "version_added": "7"
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            "ie": {
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            },
            "nodejs": {
              "version_added": "8.5.0",
              "alternative_name": "nodeTiming",
              "partial_implementation": true,
              "notes": "Returns node specific timing object"
            },
            "opera": {
              "version_added": "15"
            },
            "opera_android": {
              "version_added": "14"
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              "version_added": "1.0"
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            "webview_android": {
              "version_added": true
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          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "toJSON": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Performance/toJSON",
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              "version_added": "56"
            },
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              "version_added": "56"
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              "version_added": "12"
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              "version_added": "25"
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              "version_added": "25"
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              "version_added": null
            },
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              "version_added": false
            },
            "opera": {
              "version_added": false
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            "opera_android": {
              "version_added": false
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              "version_added": false
            },
            "safari_ios": {
              "version_added": false
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              "version_added": "56"
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          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}