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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connect(wsURL, [options])

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Connects to an existing browser instance.

ParameterTypeDefaultDescription
debugbooleanfalseAll CDP messages and internal fine grained logs will be logged if set to true.
slowMostringnullSlow down input actions and navigation by the specified time e.g. '500ms'.
timeoutstring'30s'Default timeout to use for various actions and navigation.

Returns

TypeDescription
objectBrowser object

Example

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


export default async function () {
  const wsURL = 'ws://localhost:9222/devtools/browser/a7ee4f2d-35cf-4478-a333-f597e1532ab0';
  const browser = chromium.connect(wsURL, {
    debug: true,
    slowMo: '500ms',
    timeout: '30s',
  });
  const context = browser.newContext();
  const page = context.newPage();


  try {
    await page.goto('https://test.k6.io/');
    page.screenshot({ path: `example-chromium.png` });
  } finally {
    page.close();
    browser.close();
  }
}