# JS API descriptors/extended number information

**URL:** <https://community.cesium.com/t/js-api-descriptors-extended-number-information/12531>\
**Category:** CesiumJS\
**Created:** [March 5, 2021, 9:43pm UTC](https://community.cesium.com/t/js-api-descriptors-extended-number-information/12531 "2021-03-05T21:43:49Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![turansky](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/turansky/32/4258_2.png) [@turansky](https://community.cesium.com/u/turansky)\
**Post date:** [March 5, 2021, 9:43pm UTC](https://community.cesium.com/t/js-api-descriptors-extended-number-information/12531/1 "2021-03-05T21:43:49Z")

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What is most informative JS API descriptor? Cesium.d.ts, which inside NPM package?

Where I can find strict number API information (Int/Double instead of number)?