Announcement: All noncommercial projects registered to use Earth Engine beforeApril 15, 2025 mustverify noncommercial eligibility to maintain access. If you have not verified by September 26, 2025, your access may be on hold.
ee.Dictionary.size Stay organized with collections Save and categorize content based on your preferences.
Page Summary
The
size()method returns the number of entries in a dictionary.The
size()method can be used in both JavaScript and Python with Earth Engine.
| Usage | Returns |
|---|---|
Dictionary.size() | Integer |
| Argument | Type | Details |
|---|---|---|
this:dictionary | Dictionary |
Examples
Code Editor (JavaScript)
// A dictionary (e.g. results of ee.Image.reduceRegion of an S2 image).vardict=ee.Dictionary({B1:182,B2:219,B3:443});print('The number of dictionary entries',dict.size());
Python setup
See the Python Environment page for information on the Python API and usinggeemap for interactive development.
importeeimportgeemap.coreasgeemap
Colab (Python)
# A dictionary (e.g. results of ee.Image.reduceRegion of an S2 image).dic=ee.Dictionary({'B1':182,'B2':219,'B3':443})display('The number of dictionary entries:',dic.size())
Except as otherwise noted, the content of this page is licensed under theCreative Commons Attribution 4.0 License, and code samples are licensed under theApache 2.0 License. For details, see theGoogle Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2023-10-06 UTC.