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ee.List.add
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Aggiunge l'elemento alla fine dell'elenco.
| Utilizzo | Resi |
|---|
List.add(element) | Elenco |
| Argomento | Tipo | Dettagli |
|---|
questo: list | Elenco | |
element | Oggetto | |
Esempi
Editor di codice (JavaScript)
print(ee.List([]).add('b')); // ["b"]
print(ee.List(['a']).add('b')); // ["a","b"]
print(ee.List(['a']).add(ee.String('b'))); // ["a","b"]
print(ee.List(['a']).add(1)); // ["a",1]
print(ee.List(['a']).add(ee.Number(1))); // ["a",1]
print(ee.List(['a']).add(true)); // ["a",true]
print(ee.List(['a']).add([])); // ["a",[]]
print(ee.List(['a']).add(ee.List([]))); // ["a",[]]
print(ee.List(['a']).add(['b'])); // ["a",["b"]]
print(ee.List(['a']).add(ee.List(['b']))); // ["a",["b"]]
print(ee.List(['a']).add(ee.Dictionary())); // ["a",{}]
print(ee.List(['a']).add(ee.Dictionary({b: 'c'}))); // ["a",{"b":"c"}]
// 0: a
// 1: Image (1 band)
print(ee.List(['a']).add(ee.Image.constant(1)));
// ["a",{"type":"ImageCollection","bands":[]}]
print(ee.List(['a']).add(ee.ImageCollection([])));
Configurazione di Python
Consulta la pagina
Ambiente Python per informazioni sull'API Python e sull'utilizzo di
geemap per lo sviluppo interattivo.
import ee
import geemap.core as geemap
Colab (Python)
print(ee.List([]).add('b').getInfo()) # ['b']
print(ee.List(['a']).add('b').getInfo()) # ['a', 'b']
print(ee.List(['a']).add(ee.String('b')).getInfo()) # ['a', 'b']
print(ee.List(['a']).add(1).getInfo()) # ['a', 1]
print(ee.List(['a']).add(ee.Number(1)).getInfo()) # ['a', 1]
print(ee.List(['a']).add(True).getInfo()) # ['a', True]
print(ee.List(['a']).add([]).getInfo()) # ['a', []]
print(ee.List(['a']).add(ee.List([])).getInfo()) # ['a', []]
print(ee.List(['a']).add(['b']).getInfo()) # ['a', ['b']]
print(ee.List(['a']).add(ee.List(['b'])).getInfo()) # ['a', ['b']]
print(ee.List(['a']).add(ee.Dictionary()).getInfo()) # ['a', {}]
# ['a', {'b': 'c'}]
print(ee.List(['a']).add(ee.Dictionary({'b': 'c'})).getInfo())
# 0: a
# 1: Image (1 band)
print(ee.List(['a']).add(ee.Image.constant(1)).getInfo())
# ["a", {"type":"ImageCollection", "bands":[]}]
print(ee.List(['a']).add(ee.ImageCollection([])).getInfo())
Salvo quando diversamente specificato, i contenuti di questa pagina sono concessi in base alla licenza Creative Commons Attribution 4.0, mentre gli esempi di codice sono concessi in base alla licenza Apache 2.0. Per ulteriori dettagli, consulta le norme del sito di Google Developers. Java è un marchio registrato di Oracle e/o delle sue consociate.
Ultimo aggiornamento 2025-07-26 UTC.
[null,null,["Ultimo aggiornamento 2025-07-26 UTC."],[[["\u003cp\u003e\u003ccode\u003eList.add()\u003c/code\u003e appends an element to the end of a list and returns the modified list.\u003c/p\u003e\n"],["\u003cp\u003eThe method accepts any object as the element to be added.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eList.add()\u003c/code\u003e can be chained with other list methods for more complex operations.\u003c/p\u003e\n"],["\u003cp\u003eThe original list is not modified; a new list with the added element is returned.\u003c/p\u003e\n"]]],["The `List.add(element)` function appends an element to the end of a list. It takes an object as an argument (`element`), which can be any data type. The function modifies the list by adding the provided element at the end. It returns the modified list. The examples show different elements added to a list, including strings, numbers, booleans, empty lists, and even more complex data structures like dictionaries, images, and image collections.\n"],null,["# ee.List.add\n\nAppends the element to the end of list.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|---------------------|---------|\n| List.add`(element)` | List |\n\n| Argument | Type | Details |\n|--------------|--------|---------|\n| this: `list` | List | |\n| `element` | Object | |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\nprint(ee.List([]).add('b')); // [\"b\"]\nprint(ee.List(['a']).add('b')); // [\"a\",\"b\"]\nprint(ee.List(['a']).add(ee.String('b'))); // [\"a\",\"b\"]\n\nprint(ee.List(['a']).add(1)); // [\"a\",1]\nprint(ee.List(['a']).add(ee.Number(1))); // [\"a\",1]\n\nprint(ee.List(['a']).add(true)); // [\"a\",true]\n\nprint(ee.List(['a']).add([])); // [\"a\",[]]\nprint(ee.List(['a']).add(ee.List([]))); // [\"a\",[]]\nprint(ee.List(['a']).add(['b'])); // [\"a\",[\"b\"]]\nprint(ee.List(['a']).add(ee.List(['b']))); // [\"a\",[\"b\"]]\n\nprint(ee.List(['a']).add(ee.Dictionary())); // [\"a\",{}]\nprint(ee.List(['a']).add(ee.Dictionary({b: 'c'}))); // [\"a\",{\"b\":\"c\"}]\n\n// 0: a\n// 1: Image (1 band)\nprint(ee.List(['a']).add(ee.Image.constant(1)));\n\n// [\"a\",{\"type\":\"ImageCollection\",\"bands\":[]}]\nprint(ee.List(['a']).add(ee.ImageCollection([])));\n```\nPython setup\n\nSee the [Python Environment](/earth-engine/guides/python_install) page for information on the Python API and using\n`geemap` for interactive development. \n\n```python\nimport ee\nimport geemap.core as geemap\n```\n\n### Colab (Python)\n\n```python\nprint(ee.List([]).add('b').getInfo()) # ['b']\nprint(ee.List(['a']).add('b').getInfo()) # ['a', 'b']\nprint(ee.List(['a']).add(ee.String('b')).getInfo()) # ['a', 'b']\n\nprint(ee.List(['a']).add(1).getInfo()) # ['a', 1]\nprint(ee.List(['a']).add(ee.Number(1)).getInfo()) # ['a', 1]\n\nprint(ee.List(['a']).add(True).getInfo()) # ['a', True]\n\nprint(ee.List(['a']).add([]).getInfo()) # ['a', []]\nprint(ee.List(['a']).add(ee.List([])).getInfo()) # ['a', []]\nprint(ee.List(['a']).add(['b']).getInfo()) # ['a', ['b']]\nprint(ee.List(['a']).add(ee.List(['b'])).getInfo()) # ['a', ['b']]\n\nprint(ee.List(['a']).add(ee.Dictionary()).getInfo()) # ['a', {}]\n\n# ['a', {'b': 'c'}]\nprint(ee.List(['a']).add(ee.Dictionary({'b': 'c'})).getInfo())\n\n# 0: a\n# 1: Image (1 band)\nprint(ee.List(['a']).add(ee.Image.constant(1)).getInfo())\n\n# [\"a\", {\"type\":\"ImageCollection\", \"bands\":[]}]\nprint(ee.List(['a']).add(ee.ImageCollection([])).getInfo())\n```"]]
