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Syntax Of Lodash concat method

_.concat(array, [values])

Lodash concat method Creates a new array concatenating array with any additional arrays and/or values.

Arguments

• array (Array) − The array to concatenate.
• [values] (…*) − The values to concatenate.

Output

• (Array) − Returns the new concatenated array.

Example

var _ = require('lodash');
var numbers = [1, 2, 3, 4];
var listOfNumbers = '';

listOfNumbers = _.concat(numbers, 5);
console.log(listOfNumbers);

listOfNumbers = _.concat(numbers, 6, [7,8]);
console.log(listOfNumbers);

Save the above program in tester.js. Run the following command to execute this program.

Command

\>node tester.js

Output

[ 1, 2, 3, 4, 5 ]
[
   1, 2, 3, 4,
   6, 7, 8
]

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