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Package · npm

is-symbol

npm · v1.1.1 · MIT

Determine if a value is an ES6 Symbol or not.

Not filed under any category yet: no assignment reached confidence 0.5.

Install

npm install is-symbol

Adoption

Downloads (30 days)
348.8M
Observeddownloads / 30 days
Popularity
Top 10% on npm
Derived98th percentile within npm
Dependents
1.3K
Observedpackages that depend on it
Maintenance
0.08
DerivedRelease cadence and recency, 0 to 1
Releases per year
0.7
7 versions over its life

Growth by period

Derived by Crest of Tech from two observations of npm’s own figure, a period apart. Nothing is stored or estimated: without an observation near the period’s start, the period is still collecting.

7 days
Collectinghistory
Collecting
30 days
−3.9% · 30d
Derived−14.1M downloads / 30 days, SEP 24 → OCT 24
90 days
+8.8% · 90d
Derived+28.1M downloads / 30 days, JUL 26 → OCT 24
1 year
+69.8% · 1y
Derived+143.4M downloads / 30 days, NOV 3 → OCT 24

Adoption historydownloads / 30 days · 13 observations

SEP 24, 2026: 362,882,312 downloads / 30 daysSEP 25, 2026: 363,621,067 downloads / 30 daysSEP 26, 2026: 356,803,371 downloads / 30 daysSEP 27, 2026: 351,840,490 downloads / 30 daysSEP 28, 2026: 363,384,999 downloads / 30 daysSEP 29, 2026: 375,157,359 downloads / 30 daysSEP 30, 2026: 379,628,204 downloads / 30 daysOCT 1, 2026: 382,684,153 downloads / 30 daysOCT 2, 2026: 382,166,908 downloads / 30 daysOCT 3, 2026: 391,909,736 downloads / 30 daysOCT 4, 2026: 386,840,008 downloads / 30 daysOCT 5, 2026: 386,840,008 downloads / 30 daysOCT 24, 2026: 348,810,483 downloads / 30 days
Table of observations (13)
Daydownloads / 30 daysDependents
OCT 24, 2026348,810,4831,294
OCT 5, 2026386,840,008Not observed
OCT 4, 2026386,840,008Not observed
OCT 3, 2026391,909,736Not observed
OCT 2, 2026382,166,908Not observed
OCT 1, 2026382,684,153Not observed
SEP 30, 2026379,628,204Not observed
SEP 29, 2026375,157,359Not observed
SEP 28, 2026363,384,999Not observed
SEP 27, 2026351,840,490Not observed
SEP 26, 2026356,803,371Not observed
SEP 25, 2026363,621,067Not observed
SEP 24, 2026362,882,312Not observed

Facts from the registry

Latest version
v1.1.1
7 versions
First published
JAN 24, 2015
Last release
DEC 13, 2024
23mo ago
Licence
MIT
Links
npm page
Homepage · github.com
Source · github.com

Repository

Not in the Crest catalog

inspect-js/is-symbol

The catalog tracks GitHub repositories with more than 500 stars; this one has no Crest page, so its figures are not shown here.

Dependencies latest version · v1.1.1

Runtime 3

  • call-bound^1.0.2
  • has-symbols^1.1.0
  • safe-regex-test^1.1.0

Related packages

No related package is in the catalog yet.

Related news

No published news event mentions this package or its repository yet.