js 获取当前日期

const currentDate = new Date();
const year = currentDate.getFullYear();
const month = currentDate.getMonth() + 1; // 月份从0开始，需要加1
const day = currentDate.getDate();
console.log(year + "-" + month + "-" + day);
 
// 或者使用模板字符串
console.log(`${year}-${month}-${day}`);