mdn-browser-compat-data/api/SpeechSynthesisEvent.json

Browser compatibility data provided by MDN Web Docs

{
  "api": {
    "SpeechSynthesisEvent": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/SpeechSynthesisEvent",
        "support": {
          "chrome": {
            "version_added": "33"
          },
          "chrome_android": {
            "version_added": "33"
          },
          "edge": {
            "version_added": "≤18"
          },
          "firefox": {
            "version_added": "49"
          },
          "firefox_android": [
            {
              "version_added": "62"
            },
            {
              "version_added": "61",
              "version_removed": "62",
              "flags": [
                {
                  "type": "preference",
                  "name": "media.webspeech.synth.enabled",
                  "value_to_set": "true"
                }
              ]
            }
          ],
          "ie": {
            "version_added": false
          },
          "opera": {
            "version_added": "21"
          },
          "opera_android": {
            "version_added": false
          },
          "safari": {
            "version_added": "7"
          },
          "safari_ios": {
            "version_added": "7"
          },
          "samsunginternet_android": {
            "version_added": "3.0"
          },
          "webview_android": {
            "version_added": false
          }
        },
        "status": {
          "experimental": true,
          "standard_track": true,
          "deprecated": false
        }
      },
      "charIndex": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SpeechSynthesisEvent/charIndex",
          "support": {
            "chrome": {
              "version_added": "33"
            },
            "chrome_android": {
              "version_added": "33"
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "49"
            },
            "firefox_android": [
              {
                "version_added": "62"
              },
              {
                "version_added": "61",
                "version_removed": "62",
                "flags": [
                  {
                    "type": "preference",
                    "name": "media.webspeech.synth.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "21"
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": "7"
            },
            "safari_ios": {
              "version_added": "7"
            },
            "samsunginternet_android": {
              "version_added": "3.0"
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "elapsedTime": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SpeechSynthesisEvent/elapsedTime",
          "support": {
            "chrome": {
              "version_added": "33"
            },
            "chrome_android": {
              "version_added": "33"
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "49"
            },
            "firefox_android": [
              {
                "version_added": "62"
              },
              {
                "version_added": "61",
                "version_removed": "62",
                "flags": [
                  {
                    "type": "preference",
                    "name": "media.webspeech.synth.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "21"
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": "7"
            },
            "safari_ios": {
              "version_added": "7"
            },
            "samsunginternet_android": {
              "version_added": "3.0"
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "name": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SpeechSynthesisEvent/name",
          "support": {
            "chrome": {
              "version_added": "33"
            },
            "chrome_android": {
              "version_added": "33"
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "49"
            },
            "firefox_android": [
              {
                "version_added": "62"
              },
              {
                "version_added": "61",
                "version_removed": "62",
                "flags": [
                  {
                    "type": "preference",
                    "name": "media.webspeech.synth.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "21"
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": "7"
            },
            "safari_ios": {
              "version_added": "7"
            },
            "samsunginternet_android": {
              "version_added": "3.0"
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "utterance": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SpeechSynthesisEvent/utterance",
          "support": {
            "chrome": {
              "version_added": "33"
            },
            "chrome_android": {
              "version_added": "33"
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "49"
            },
            "firefox_android": [
              {
                "version_added": "62"
              },
              {
                "version_added": "61",
                "version_removed": "62",
                "flags": [
                  {
                    "type": "preference",
                    "name": "media.webspeech.synth.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "21"
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": "7"
            },
            "safari_ios": {
              "version_added": "7"
            },
            "samsunginternet_android": {
              "version_added": "3.0"
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}