tomericco

const str1 = 'This is an example to test cosine similarity between two strings';
const str2 = 'This example is testing cosine similatiry for given two strings';

//
// Preprocess strings and combine words to a unique collection
//

const str1Words = str1.trim().split(' ').map(omitPunctuations).map(toLowercase);
const str2Words = str2.trim().split(' ').map(omitPunctuations).map(toLowercase);
const allWordsUnique = Array.from(new Set(str1Words.concat(str2Words)));