如何在dateInput()中输出默认日期？

<input type="date" id="myDateInput">

var dateInput = document.getElementById("myDateInput");
var defaultDate = new Date(); // 获取当前日期
var year = defaultDate.getFullYear();
var month = String(defaultDate.getMonth() + 1).padStart(2, "0"); // 月份从0开始，需要加1
var day = String(defaultDate.getDate()).padStart(2, "0");
var formattedDate = year + "-" + month + "-" + day;
dateInput.value = formattedDate;