JSFiddle - React, Tailwind, and code Playground

JavaScript

const Dictionary =  ['123456','001122', '33445511'] ;
const filters = {  };

let word = statusFormatted = '11';

//let result =  Object.keys(Dictionary).filter( (key) => Dictionary[key].includes(word))[0]; 
//let result =  [].filter( (key) => Dictionary[key].includes(word))[0]; 

//console.log('Primo con OGGETTO: '+ result);

var result_2 = Dictionary.filter(array => array.includes(statusFormatted));

console.log('Secondo con arr: ' + result_2);