Rename elements in a dictionary.
| Usage | Returns |
|---|---|
Dictionary.rename(from, to, overwrite) | Dictionary |
| Argument | Type | Details |
|---|---|---|
this: dictionary | Dictionary | |
from | List | A list of keys to be renamed. |
to | List | A list of the new names for the keys listed in the 'from' parameter. Must have the same length as the 'from' list. |
overwrite | Boolean, default: false | Allow overwriting existing properties with the same name. |
Examples
Code Editor (JavaScript)
// A dictionary (e.g. results of ee.Image.reduceRegion of an S2 image).
var dict = ee.Dictionary({
B1: 182,
B2: 219,
B3: 443
});
// Define from-to key name lists for selected keys.
var from = ['B2', 'B3'];
var to = ['Band_2', 'Band_3'];
print('Renamed keys', dict.rename(from, to));
print('Overwrite existing key names, e.g. B3 becomes B1',
dict.rename({from: ['B3'], to: ['B1'], overwrite: true}));