{
  "api": {
    "HTMLButtonElement": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLButtonElement",
        "spec_url": "https://html.spec.whatwg.org/multipage/form-elements.html#htmlbuttonelement",
        "tags": [
          "web-features:button"
        ],
        "support": {
          "chrome": {
            "version_added": "1"
          },
          "chrome_android": "mirror",
          "edge": {
            "version_added": "12"
          },
          "firefox": {
            "version_added": "1"
          },
          "firefox_android": "mirror",
          "ie": {
            "version_added": "5.5"
          },
          "oculus": "mirror",
          "opera": {
            "version_added": "≤12.1"
          },
          "opera_android": {
            "version_added": "≤12.1"
          },
          "safari": {
            "version_added": "3"
          },
          "safari_ios": {
            "version_added": "1"
          },
          "samsunginternet_android": "mirror",
          "webview_android": {
            "version_added": "3"
          },
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "checkValidity": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/checkValidity",
          "spec_url": "https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-cva-checkvalidity-dev",
          "tags": [
            "web-features:constraint-validation"
          ],
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "4"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "5"
            },
            "safari_ios": {
              "version_added": "5"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "command": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/command",
          "spec_url": "https://html.spec.whatwg.org/multipage/form-elements.html#dom-button-command",
          "tags": [
            "web-features:invoker-commands"
          ],
          "support": {
            "chrome": {
              "version_added": "135"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "144"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "preview"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "request-close": {
          "__compat": {
            "description": "`request-close` value",
            "spec_url": "https://html.spec.whatwg.org/multipage/form-elements.html#attr-button-command-request-close",
            "tags": [
              "web-features:invoker-commands"
            ],
            "support": {
              "chrome": {
                "version_added": "139"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "144"
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "preview"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "commandForElement": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/commandForElement",
          "spec_url": "https://html.spec.whatwg.org/multipage/form-elements.html#dom-button-commandforelement",
          "tags": [
            "web-features:invoker-commands"
          ],
          "support": {
            "chrome": {
              "version_added": "135"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "144"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "preview"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "disabled": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/disabled",
          "spec_url": "https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-fe-disabled",
          "tags": [
            "web-features:button"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "5.5"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "form": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/form",
          "spec_url": "https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-fae-form-dev",
          "tags": [
            "web-features:button"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "5.5"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "formAction": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/formAction",
          "spec_url": "https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-fs-formaction",
          "tags": [
            "web-features:button"
          ],
          "support": {
            "chrome": {
              "version_added": "9"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "4",
              "notes": "In Firefox 56, the implementation has been updated so that the `formAction` property returns the correct form submission URL, as per spec, when the associated button is being used to submit a form ([bug 1366361](https://bugzil.la/1366361))."
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "5.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "formEnctype": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/formEnctype",
          "spec_url": "https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-fs-formenctype",
          "tags": [
            "web-features:button"
          ],
          "support": {
            "chrome": {
              "version_added": "9"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "4"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "5.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "formMethod": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/formMethod",
          "spec_url": "https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-fs-formmethod",
          "tags": [
            "web-features:button"
          ],
          "support": {
            "chrome": {
              "version_added": "9"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "4"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "5.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "formNoValidate": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/formNoValidate",
          "spec_url": "https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-fs-formnovalidate",
          "tags": [
            "web-features:button"
          ],
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "4"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "5"
            },
            "safari_ios": {
              "version_added": "4"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "formTarget": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/formTarget",
          "spec_url": "https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-fs-formtarget",
          "tags": [
            "web-features:button"
          ],
          "support": {
            "chrome": {
              "version_added": "9"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "4"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "5.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "labels": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/labels",
          "spec_url": "https://html.spec.whatwg.org/multipage/forms.html#dom-lfe-labels-dev",
          "tags": [
            "web-features:button"
          ],
          "support": {
            "chrome": {
              "version_added": "6"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "18"
            },
            "firefox": {
              "version_added": "56"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "5.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "name": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/name",
          "spec_url": "https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-fe-name",
          "tags": [
            "web-features:button"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "5.5"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "popoverTargetAction": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/popoverTargetAction",
          "spec_url": "https://html.spec.whatwg.org/multipage/popover.html#dom-popovertargetaction",
          "tags": [
            "web-features:popover"
          ],
          "support": {
            "chrome": {
              "version_added": "114"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "125"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "17"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "popoverTargetElement": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/popoverTargetElement",
          "spec_url": "https://html.spec.whatwg.org/multipage/popover.html#dom-popovertargetelement",
          "tags": [
            "web-features:popover"
          ],
          "support": {
            "chrome": {
              "version_added": "114"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "125"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "17"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "implicit_anchor_reference": {
          "__compat": {
            "description": "Implicit anchor reference via `popoverTargetElement`",
            "tags": [
              "web-features:anchor-positioning"
            ],
            "support": {
              "chrome": {
                "version_added": "133"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "preview",
                "impl_url": "https://bugzil.la/1838746"
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "reportValidity": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/reportValidity",
          "spec_url": "https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-cva-reportvalidity-dev",
          "tags": [
            "web-features:constraint-validation"
          ],
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "17"
            },
            "firefox": {
              "version_added": "49"
            },
            "firefox_android": {
              "version_added": "64"
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "10.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "setCustomValidity": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/setCustomValidity",
          "spec_url": "https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-cva-setcustomvalidity-dev",
          "tags": [
            "web-features:constraint-validation"
          ],
          "support": {
            "chrome": {
              "version_added": "4",
              "notes": "This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see [bug 41380670](https://crbug.com/41380670)."
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "4"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "5"
            },
            "safari_ios": {
              "version_added": "5"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "type": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLButtonElement/type",
          "spec_url": "https://html.spec.whatwg.org/multipage/form-elements.html#dom-button-type",
          "tags": [
            "web-features:button"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "5.5"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "3"
            },
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          "spec_url": "https://html.spec.whatwg.org/multipage/form-elements.html#dom-button-value",
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            "web-features:constraint-validation"
          ],
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          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}