使用javascript获取日期字段值

Question

im using sharepoint date in my form ,im trying to get the date field using javascript .But I did'nt get anything.

from f12 i got this input element

<input name="ctl00$PlaceHolderMain$ArticleDateSection$ctl01$ArticleDateField$ctl00$ctl00$DateTimeField$DateTimeFieldDate" type="text" value="9/10/2014" maxlength="45" id="ctl00_PlaceHolderMain_ArticleDateSection_ctl01_ArticleDateField_ctl00_ctl00_DateTimeField_DateTimeFieldDate" title="Article Date" class="ms-input" autopostback="0">

and my code

if (document.getElementById("<%=ArticleDateField.ClientID %>").value="") {
        alert("Please enter the Date..!!")

        document.getElementById("<%=ArticleDateField.ClientID%>").focus();
        return false;
}

can you tell me what is the issue.

is there any other method to get the date field.

Answer 1

用作，您缺少=

 if (document.getElementById("<%=ArticleDateField.ClientID %>").value == "") {