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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Selection.data([key])

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Return the value at the named data store for the first element in the set of matched elements. Mimics jquery.data

ParameterTypeDescription
key (optional)stringA string naming the piece of data to set.

Returns

TypeDescription
stringThe value at the named data store.

Example

import { parseHTML } from 'k6/html';
import { sleep } from 'k6';


export default function () {
  const content = `
 <h1 data-test-id="data-value">Hola</h1>
  `;


  const doc = parseHTML(content);
  const sel = doc.find('h1');


  console.log(sel.data().testID);
  console.log(sel.data('test-id'));
  console.log(sel.data('testId'));


  sleep(1);
}