| { |
| "javascript": { |
| "operators": { |
| "addition_assignment": { |
| "__compat": { |
| "description": "Addition assignment (`x += y`)", |
| "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Operators/Addition_assignment", |
| "spec_url": "https://tc39.es/ecma262/multipage/ecmascript-language-expressions.html#sec-assignment-operators", |
| "tags": [ |
| "web-features:snapshot:ecmascript-1", |
| "web-features:javascript" |
| ], |
| "support": { |
| "chrome": { |
| "version_added": "1" |
| }, |
| "chrome_android": "mirror", |
| "deno": { |
| "version_added": "1.0" |
| }, |
| "edge": { |
| "version_added": "12" |
| }, |
| "firefox": { |
| "version_added": "1" |
| }, |
| "firefox_android": "mirror", |
| "ie": { |
| "version_added": "3" |
| }, |
| "nodejs": { |
| "version_added": "0.10.0" |
| }, |
| "oculus": "mirror", |
| "opera": { |
| "version_added": "3" |
| }, |
| "opera_android": { |
| "version_added": "10.1" |
| }, |
| "safari": { |
| "version_added": "1" |
| }, |
| "safari_ios": "mirror", |
| "samsunginternet_android": "mirror", |
| "webview_android": "mirror", |
| "webview_ios": "mirror" |
| }, |
| "status": { |
| "experimental": false, |
| "standard_track": true, |
| "deprecated": false |
| } |
| } |
| } |
| } |
| } |
| } |
