Announcement: All noncommercial projects registered to use Earth Engine before April 15, 2025 must verify noncommercial eligibility to maintain Earth Engine access.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-07-13 UTC."],[[["\u003cp\u003eReturns a Reducer that selects the first non-null value from a set of inputs.\u003c/p\u003e\n"],["\u003cp\u003eThe Reducer will be named "first" when applied within Earth Engine workflows.\u003c/p\u003e\n"],["\u003cp\u003eThis reducer has no arguments and is accessed with \u003ccode\u003eee.Reducer.firstNonNull()\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,["Returns a Reducer that returns the first of its non-null inputs. Where applicable, the output name is \"first\".\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|-----------------------------|---------|\n| `ee.Reducer.firstNonNull()` | Reducer |\n\n**No arguments.**"]]