### GET /json/protocol/ Response (partial)

Source: https://chromedevtools.github.io/devtools-protocol

The current devtools protocol, as JSON. This is a partial example.

```json
{
  "domains": [
      {
          "domain": "Accessibility",
          "experimental": true,
          "dependencies": [
              "DOM"
          ],
          "types": [
              {
                  "id": "AXValueType",
                  "description": "Enum of possible property types.",
                  "type": "string",
                  "enum": [
                      "boolean",
                      "tristate",
// ...
```

--------------------------------

### Sending commands from the DevTools console

Source: https://chromedevtools.github.io/devtools-protocol

Examples of sending commands to the DevTools protocol from the console, including capturing a screenshot and overriding device metrics.

```javascript
let Main = await import('./devtools-frontend/front_end/entrypoints/main/main.js'); // or './entrypoints/main/main.js' or './main/main.js' depending on the browser version
await Main.MainImpl.sendOverProtocol('Emulation.setDeviceMetricsOverride', {
  mobile: true,
  width: 412,
  height: 732,
  deviceScaleFactor: 2.625,
});

const data = await Main.MainImpl.sendOverProtocol("Page.captureScreenshot");
```

--------------------------------

### GET /json/version Response

Source: https://chromedevtools.github.io/devtools-protocol

Browser version metadata returned by the /json/version endpoint.

```json
{
    "Browser": "Chrome/72.0.3601.0",
    "Protocol-Version": "1.3",
    "User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3601.0 Safari/537.36",
    "V8-Version": "7.2.233",
    "WebKit-Version": "537.36 (@cfede9db1d154de0468cb0538479f34c0755a0f4)",
    "webSocketDebuggerUrl": "ws://localhost:9222/devtools/browser/b0b8a4fb-bb17-4359-9533-a8d9f3908bd8"
}
```

--------------------------------

### CSS.forcePseudoState Parameters

Source: https://chromedevtools.github.io/devtools-protocol/tot/CSS

Ensures that the given node will have specified pseudo-classes whenever its style is computed by the browser.

```json
{
  "nodeId": "DOM.NodeId",
  "pseudoClasses": [
    "string"
  ]
}
```

--------------------------------

### GET /json or /json/list Response

Source: https://chromedevtools.github.io/devtools-protocol

A list of all available websocket targets returned by the /json or /json/list endpoint.

```json
[ {
  "description": "",
  "devtoolsFrontendUrl": "/devtools/inspector.html?ws=localhost:9222/devtools/page/DAB7FB6187B554E10B0BD18821265734",
  "id": "DAB7FB6187B554E10B0BD18821265734",
  "title": "Yahoo",
  "type": "page",
  "url": "https://www.yahoo.com/",
  "webSocketDebuggerUrl": "ws://localhost:9222/devtools/page/DAB7FB6187B554E10B0BD18821265734"
} ]
```