function fun_week(datestr){
var weekArray = new Array("周日", "周一", "周二", "周三", "周四", "周五", "周六");
var week = weekArray[new Date(datestr).getDay()];
console.log(week);
return week;
}
fun_week('1997-5-21') // 周三
js获取日期对应周几
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转载自blog.csdn.net/lannieZ/article/details/111476185
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