MINOR: [JS] Fix typo in comment

[domoritz]

No description provided.

[ursabot]

Benchmark runs are scheduled for baseline = 0b56c67 and contender = dca31fb. dca31fb is a master commit associated with this PR. Results will be available as each benchmark for each run completes.
Conbench compare runs links:
[Finished ⬇️0.0% ⬆️0.0%] ec2-t3-xlarge-us-east-2
[Failed ⬇️0.59% ⬆️0.0%] test-mac-arm
[Finished ⬇️3.07% ⬆️0.0%] ursa-i9-9960x
[Failed ⬇️0.15% ⬆️0.08%] ursa-thinkcentre-m75q
Buildkite builds:
[Finished] dca31fbc ec2-t3-xlarge-us-east-2
[Finished] dca31fbc test-mac-arm
[Finished] dca31fbc ursa-i9-9960x
[Failed] dca31fbc ursa-thinkcentre-m75q
[Finished] 0b56c677 ec2-t3-xlarge-us-east-2
[Failed] 0b56c677 test-mac-arm
[Finished] 0b56c677 ursa-i9-9960x
[Failed] 0b56c677 ursa-thinkcentre-m75q
Supported benchmarks:
ec2-t3-xlarge-us-east-2: Supported benchmark langs: Python, R. Runs only benchmarks with cloud = True
test-mac-arm: Supported benchmark langs: C++, Python, R
ursa-i9-9960x: Supported benchmark langs: Python, R, JavaScript
ursa-thinkcentre-m75q: Supported benchmark langs: C++, Java