Filter function of javascript

const myArray = ["1", 1, 2, 3, 4, 5,]
const result = myArray.filter((item) => {
if(typeof(item) === 'string')
        return item;
      });

console.log(result);

let array2 = ['senior web developer', ' React-Native Developer']
let backupInterviews = **[{…}, {…}, {…}, {…}, {…}, {…}, {…}]**
 let filterData = backupInterviews.filter(item => 
          array2.includes(item.desig))

 console.log("filterData", filterData)