Collect.js concat() Method
Last Updated :
04 Jan, 2022
The concat() method is used to return the merged arrays or objects represented by the collection. The JavaScript array is first transformed into a collection and then the function is applied to the collection.
Syntax:
collect(array1).concat(array2)
Parameters: The collect() method takes one argument that is converted into the collection and then concat() function also take an array.
Return Value: Returns a merged array or object.
Below examples illustrate the concat() method in Collect.js:
Example 1: Here collect = require(‘collect.js’) is used to import the collect.js library into the file.
Javascript
const collect = require('collect.js');
let arr = [1, 2, 3]
const collection = collect(arr);
let concatarr = collection.concat(['a', 'b', 'c']);
let newObject = concatarr.all();
console.log("Result : ", newObject);
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Output:
Result : [ 1, 2, 3, 'a', 'b', 'c' ]
Example 2:
Javascript
const collect = require('collect.js');
let arr = [1, 2, 3]
const collection = collect(arr);
let concatarr = collection.concat(['a', 'b', 'c']);
concatarr = concatarr.concat({ first : "GeeksforGeeks",
second : "Collect.js"});
let newObject = concatarr.all();
console.log("Result : ", newObject);
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Output:
Result : [ 1, 2, 3, 'a', 'b', 'c', 'GeeksforGeeks', 'Collect.js' ]
Reference: https://collect.js.org/api/concat.html
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