Question

How to get only the unique words from a string in JavaScript

Answer 1

function uniqueArray(array) {
	array.sort();
  
	return array.filter(function(s,i,a) { return a[i + 1] != s; });
}


const s = "javascript c c++ javascript c++ javascript c php java";

let array = s.split(" ");
array = uniqueArray(array);

const uniqueString = array.join(' ');
console.log(uniqueString);





/*
run:

"c c++ java javascript php"

*/

 

70+ SQL courses for beginners and professionals

Answer 2

const s = "javascript c c++ javascript c++ javascript c php java";

let array = s.split(" ");
array = arr = [...new Set(array)];

const uniqueString = array.join(' ');
console.log(uniqueString);





/*
run:

"javascript c c++ php java"

*/

 

70+ SQL courses for beginners and professionals