js获取当前日期 包括星期几

function getCurrentDate() {var myDate = new Date();var year = myDate.getFullYear(); //年var month = myDate.getMonth() + 1; //月var day = myDate.getDate(); //日var days = myDate.getDay();switch(days) {case 1:days = '星期一';break;case 2:days = '星期二';break;case 3:days = '星期三';break;case 4:days = '星期四';break;case 5:days = '星期五';break;case 6:days = '星期六';break;case 0:days = '星期日';break;}var str = year + "年" + month + "月" + day + "日 " + days;return str;}