JSFiddle - React, Tailwind, and code Playground

JavaScript

(function() {

var arr = [{name:"bob", type: "student"}, {name: "Steve", type: "student"},{name:"Fred", type:"teacher"},{name: "may" , type: "teacher"}]

arr.filter(obj => obj.type === 'teacher')
console.log(obj);
alert(obj);
})();