Lodash _.omitBy() method is used to return a copy of the object composed of the own and inherited enumerable string keyed properties of the object that the predicate doesn’t return truthy for. It is the opposite of _.pickBy() method.
Syntax:
_.omitBy( object, [predicate] );
Parameters:
- object: This parameter holds the source object.
- predicate: This parameter holds the function that is invoked for every property. It is an optional value.
Return Value:
This method returns the new object.
Example 1: In this example, we are omitting those values which do not support the _.isLength() method and returning the rest of the element as an object.
Javascript
// Requiring the lodash library const _ = require("lodash");// The source objectlet obj = { Name: "neveropen", password: 123456, username: "your_neveropen"}// Using the _.omitBy() method console.log(_.omitBy(obj, _.isLength)); |
Output:
{Name: "neveropen", username: "your_neveropen"}
Example 2: In this example, we are omiting those values which do not support the _.isNumber() method and returning the rest of the element as an object.
Javascript
// Requiring the lodash library const _ = require("lodash");// The source objectlet obj = { 'x': 1, 'y': '2', 'z': 3 };// Using the _.omitBy() method console.log(_.omitBy(obj, _.isNumber)); |
Output:
{'y': '2'}
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