{
  "javascript": {
    "builtins": {
      "WebAssembly": {
        "Instance": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/Instance",
            "spec_url": "https://webassembly.github.io/spec/js-api/#instances",
            "support": {
              "chrome": {
                "version_added": "57"
              },
              "chrome_android": {
                "version_added": "57"
              },
              "edge": {
                "version_added": "16"
              },
              "firefox": {
                "version_added": "52",
                "notes": "Disabled in the Firefox 52 Extended Support Release (ESR)."
              },
              "firefox_android": {
                "version_added": "52",
                "notes": "Disabled in the Firefox 52 Extended Support Release (ESR)."
              },
              "ie": {
                "version_added": false
              },
              "nodejs": {
                "version_added": "8.0.0"
              },
              "opera": {
                "version_added": "44"
              },
              "opera_android": {
                "version_added": "43"
              },
              "safari": {
                "version_added": "11"
              },
              "safari_ios": {
                "version_added": "11"
              },
              "samsunginternet_android": {
                "version_added": "7.0"
              },
              "webview_android": {
                "version_added": "57"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          },
          "Instance": {
            "__compat": {
              "description": "<code>Instance()</code> constructor",
              "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/Instance/Instance",
              "spec_url": "https://webassembly.github.io/spec/js-api/#dom-instance-instance",
              "support": {
                "chrome": {
                  "version_added": "57"
                },
                "chrome_android": {
                  "version_added": "57"
                },
                "edge": {
                  "version_added": "16"
                },
                "firefox": {
                  "version_added": "52",
                  "notes": "Disabled in the Firefox 52 Extended Support Release (ESR)."
                },
                "firefox_android": {
                  "version_added": "52",
                  "notes": "Disabled in the Firefox 52 Extended Support Release (ESR)."
                },
                "ie": {
                  "version_added": false
                },
                "nodejs": {
                  "version_added": "8.0.0"
                },
                "opera": {
                  "version_added": "44"
                },
                "opera_android": {
                  "version_added": "43"
                },
                "safari": {
                  "version_added": "11"
                },
                "safari_ios": {
                  "version_added": "11"
                },
                "samsunginternet_android": {
                  "version_added": "7.0"
                },
                "webview_android": {
                  "version_added": "57"
                }
              },
              "status": {
                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "exports": {
            "__compat": {
              "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/Instance/exports",
              "spec_url": "https://webassembly.github.io/spec/js-api/#dom-instance-exports",
              "support": {
                "chrome": {
                  "version_added": "57"
                },
                "chrome_android": {
                  "version_added": "57"
                },
                "edge": {
                  "version_added": "16"
                },
                "firefox": {
                  "version_added": "52",
                  "notes": "Disabled in the Firefox 52 Extended Support Release (ESR)."
                },
                "firefox_android": {
                  "version_added": "52",
                  "notes": "Disabled in the Firefox 52 Extended Support Release (ESR)."
                },
                "ie": {
                  "version_added": false
                },
                "nodejs": {
                  "version_added": "8.0.0"
                },
                "opera": {
                  "version_added": "44"
                },
                "opera_android": {
                  "version_added": "43"
                },
                "safari": {
                  "version_added": "11"
                },
                "safari_ios": {
                  "version_added": "11"
                },
                "samsunginternet_android": {
                  "version_added": "7.0"
                },
                "webview_android": {
                  "version_added": "57"
                }
              },
              "status": {
                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            }
          }
        }
      }
    }
  }
}