const getAge = birthDate => Math.floor((new Date() - new Date(birthDate).getTime()) / 3.15576e+10) // today is 2018-06-13 getAge('1994-06-14') // 23 getAge('1994-06-13') // 24function getAge(dateString) { var today = new Date(); var birthDate = new Date(dateString); var age = today.getFullYear() - birthDate.getFullYear(); var m = today.getMonth() - birthDate.getMonth(); if (m < 0 || (m === 0 && today.getDate() < birthDate.getDate())) { age--; } return age; }// To calculate age: var year_born = prompt("Please enter your date of birth:", "Type here"); var d = new Date(); var n = d.getFullYear(); function getAge(birthYear){ var currentDate = new Date(); var currentYear = currentDate.getFullYear(); age = currentYear - birthYear; return age; } calculatedAge = getAge(year_born); alert("Hello, " + "you are " + calculatedAge + " years old!");let car = function (name,model,color){ this.name = name; this.model = model; this.color = color; // console.log(model); } let car1 = new car ("beast", "2022","darkBlue"); let car2 = new car ("sienta", "2001","darkBlue"); let car3 = new car ("wish", "2011","darkBlue"); let car4 = new car ("bmw", "2010","darkBlue"); console.log(car1);let car = function (name,model,color){ this.name = name; this.model = model; this.color = color; // console.log(model); } let car1 = new car ("beast", "2022","darkBlue"); let car2 = new car ("sienta", "2001","darkBlue"); let car3 = new car ("wish", "2011","darkBlue"); let car4 = new car ("bmw", "2010","darkBlue"); console.log(car1);