var week=",不太明白這個(gè)是什么意思
?var date = new Date();? // 實(shí)例化日期對象??
? var timeStr = '';//日期?
? timeStr = date.getFullYear() + "年" ;??
? timeStr += date.getMonth() + 1 +"月";??
? timeStr += date.getDate()+"日";??
? var day? = date.getDay(); //星期?
? var week = '';
? switch(day){
2018-08-03
就是先定義一個(gè)變量week,沒給它賦值!目前的值是null空的