Run results for: Set union

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:85.0) Gecko/20100101 Firefox/85.0

Browser: Firefox 85

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
spread	278793.4 Ops/sec
Generator	128499.1 Ops/sec

Script Preparation code:

var set1 = new Set(`hNF3l0P4cN
QQfOLyCS4x
ZszvkTI37o
IynKxZthCK
ouwci5cS7j
r7jX5XQb1p
1dj2hYGU60
4Q6utWsqC6
XmTmsXafwn
EvvglORogV
G2sWUp3k9g
oso9pMt1NB
mSJpyz5XdL
AiZWvwpGqD
mH6YqIcvTt
5k6d0LaiGh
ZI511srBaE
nU6OeCjDP3
REi51NlQF1
G3wOYKZ4kb`.split(/\s/g));
var set2 = new Set(`IIVSIoKcV7
scRjrTjTwX
peydSQMOfd
Sp3F2lZ2Ae
rPb1Omg5yB
STpbhl8ICX
MlAd0k8ivJ
AffgUA9jhc
FjNg0f21G7
EkJqj5b6kI
nKMvAL4n6F
5KsVjUQtw1
MBpocHEPvW
M246F2AaCW
YXFNxRHBEZ
MWOvSvDomc
Mdhe89kU1N
arVnYE1hfy
BIPP10nDR2
mxAFx10DH4`.split(/\s/g));

Tests:

spread
var result = new Set([...set1, ...set2]);
Generator
var result = new Set(function*(){ yield* set1; yield* set2; }());

spread

Generator