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Remove duplicate items form array using reduce() method.

Shibu Sarkar answered on April 14, 2022 Popularity 7/10 Helpfulness 5/10

answer Remove duplicate items form array using reduce() method.

related Remove duplicates from arrays using reduce

Remove duplicate items form array using reduce() method.

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const names = [
	'shibu',
	'neymar',
	'vinicius',
	'pattinson',
	'ronaldo',
	'shibu',
	'neymar',
	'pattinson',
	'diCaprio'
];

let onlyName = names.reduce((accumulator, currentValue) => {
	if (accumulator.indexOf(currentValue) === -1) {
		accumulator.push(currentValue);
	}
	return accumulator;
}, []);

console.log(onlyName);

//Expected result => ['shibu', 'neymar', 'vinicius', 'pattinson', 'ronaldo', 'diCaprio'

Popularity 7/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: items javascript using

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Contributed on Apr 14 2022

Shibu Sarkar

0 Answers Avg Quality 2/10

Closely Related Answers

Remove duplicates from arrays using reduce

Comment

var numbers = [1, 1, 2, 3, 4, 4];

function unique(array){
  return array.reduce(function(previous, current) {
     if(!previous.find(function(prevItem){
         return prevItem === current;
     })) {
        previous.push(current);
     }
     return previous;
 }, []);
}

unique(numbers);

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: arrays ar

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