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Lodash - differenceWith method
Syntax
_.differenceWith(array, [values], [comparator])
This method is like _.difference except that it accepts comparator which is invoked to compare elements of array to values. The order and references of result values are determined by the first array. The comparator is invoked with two arguments: (arrVal, othVal).
Arguments
array (Array) − The array to inspect.
[values] (...Array) − The values to exclude.
[comparator] (Function) − The comparator invoked per element.
Output
(Array) − Returns the new array of filtered values.
Example
var _ = require('lodash'); var objects = [{ 'x': 4, 'y' : 2 }, { 'x': 1 }]; var result = ''; result = _.differenceWith(objects, [{ 'y': 2, 'x': 4 }], _.isEqual); console.log(result);
Save the above program in tester.js. Run the following command to execute this program.
Command
\>node tester.js
Output
[ { x: 1 } ]
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