docs

Init context

open( filePath, [mode] )

k6

check( val, sets, [tags] )
fail( [err] )
group( name, fn )
randomSeed( int )
sleep( t )

k6/crypto

createHash( algorithm )
createHMAC( algorithm, secret )
hmac( algorithm, secret, data, outputEncoding )
md4( input, outputEncoding )
md5( input, outputEncoding )
randomBytes( int )
ripemd160( input, outputEncoding )
sha1( input, outputEncoding )
sha256( input, outputEncoding )
sha384( input, outputEncoding )
sha512( input, outputEncoding )
sha512_256( input, outputEncoding )
sha512_224( input, outputEncoding )
Hasher

k6/data

SharedArray

k6/encoding

b64decode( input, [encoding], [format] )
b64encode( input, [encoding] )

k6/execution

k6/experimental

browser
grpc
redis
timers
tracing
websockets
webcrypto

k6/html

parseHTML( src )
Element
Selection

k6/http

asyncRequest( method, url, [body], [params] )
batch( requests )
cookieJar()
del( url, [body], [params] )
file( data, [filename], [contentType] )
get( url, [params] )
head( url, [params] )
options( url, [body], [params] )
patch( url, [body], [params] )
post( url, [body], [params] )
put( url, [body], [params] )
request( method, url, [body], [params] )
setResponseCallback( callback )
url`url`
expectedStatuses( statuses )
CookieJar
FileData
Params
Response

k6/metrics

Counter
Gauge
Rate
Trend

k6/net/grpc

Client
Params
Response
Constants

k6/ws

connect( url, params, callback )
Params
Socket

Error Codes

k6.ioapp.k6.io

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⚠️ This is the archived documentation for k6 v0.47. Go to the latest version.

newContext([options])

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Creates and returns a new BrowserContext, if one hasn't already been initialized for the Browser. If one has already been initialized an error is thrown.

note

A 1-to-1 mapping between Browser and BrowserContext means you cannot run BrowserContexts concurrently. Due to this restriction, if one already exists, it must be closed first before creating a new one.

ParameterTypeDefaultDescription
options
objectnull

Returns

TypeDescription
objectBrowserContext object

deviceScaleFactor example

import { browser } from 'k6/experimental/browser';


export const options = {
  scenarios: {
    browser: {
      executor: 'shared-iterations',
      options: {
        browser: {
            type: 'chromium',
        },
      },
    },
  },
}


export default async function () {
  const context = browser.newContext({
    viewport: {
      width: 375,
      height: 812,
    },
    deviceScaleFactor: 3,
  });
  const page = context.newPage();


  try {
    await page.goto('https://test.k6.io/');
  } finally {
    page.close();
  }
}