hierarchy.mdx: fix call to nonexistent compact in js example (#812)
#711
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|---|---|
| 4m 44s | |
| 4m 52s | |
| 9m 36s |
compact in js example (#812)
#711
| Job | Run time |
|---|---|
| 4m 44s | |
| 4m 52s | |
| 9m 36s |