`Network.emulateNetworkConditions`

Activates emulation of network conditions. This command is deprecated in favor of the emulateNetworkConditionsByRule and overrideNetworkState commands, which can be used together to the same effect.

Domain: Network deprecated

Parameters

Name	Type	Description
`offline`	`boolean`	True to emulate internet disconnection.
`latency`	`number`	Minimum latency from request sent to response headers received (ms).
`downloadThroughput`	`number`	Maximal aggregated download throughput (bytes/sec). -1 disables download throttling.
`uploadThroughput`	`number`	Maximal aggregated upload throughput (bytes/sec). -1 disables upload throttling.
`connectionType` (optional)	`ConnectionType`	Connection type if known.
`packetLoss` (optional)	`number`	WebRTC packet loss (percent, 0-100). 0 disables packet loss emulation, 100 drops all the packets.
`packetQueueLength` (optional)	`integer`	WebRTC packet queue length (packet). 0 removes any queue length limitations.
`packetReordering` (optional)	`boolean`	WebRTC packetReordering feature.

Example Request

{
  "id": 1,
  "method": "Network.emulateNetworkConditions",
  "params": {
    "offline": true,
    "latency": 1.0,
    "downloadThroughput": 1.0,
    "uploadThroughput": 1.0
  }
}

Example Response

{
  "id": 1,
  "result": {}
}

Usage in Node.js

const result = await send('Network.emulateNetworkConditions', {"offline": true, "latency": 1.0, "downloadThroughput": 1.0, "uploadThroughput": 1.0});
console.log(result);