比如在input标签里选中 2018-08-02
通过js代码可以将日期转换为星期几。
可以把星期几放在另外一个input标签里面急用

解决方案 »

  1.   


    var time=new Date('2018-08-01');
    var day=time.getDay();
    alert(day);
      

  2.   

     <div class="col-lg-2 col-md-2 col-sm-2">
                    <span>出发日期</span><span>星期</span>
                </div>
                <div class="col-lg-9 col-md-9 col-sm-9">
                    <input type="date"  id="time"><input type="text" id="weekday">
                </div>怎么把id放进去??要获取input里面的id
      

  3.   

    jquery的写法
    $("#time").val();//取值
    $("#time").val("值");//赋值
    javascript:
    document.getElementById("time").value;//取值
    document.getElementById("time").value = "值";//赋值
      

  4.   


    <!DOCTYPE html>
    <html>
    <head>
    <script>
    function weekday()
    {
    var inputTime = document.getElementById("time").value;var myDate=new Date();
    var timeArray = inputTime.split("-");
    myDate.setFullYear(parseInt(timeArray[0]), parseInt(timeArray[1]) - 1,parseInt(timeArray[2]));
    var weekday=new Array(7);
    weekday[0]="星期日"
    weekday[1]="星期一"
    weekday[2]="星期二"
    weekday[3]="星期三"
    weekday[4]="星期四"
    weekday[5]="星期五"
    weekday[6]="星期六"//alert(weekday[myDate.getDay()]);
    document.getElementById("weekday").value = weekday[myDate.getDay()];
    }
    </script>
    </head>
    <body> <div class="col-lg-2 col-md-2 col-sm-2">
                    <span>出发日期</span><span>星期</span>
                </div>
                <div class="col-lg-9 col-md-9 col-sm-9">
                    <input type="date"  id="time" onchange="weekday()">
    <input type="text" id="weekday">
                </div></body>
    </html>
      

  5.   

    这个字符串怎么分割?我想在html里面写js分割