Javascript TypeError:无法读取属性';getAttribute';空的
正在尝试从Github添加日历控件。我收到这个信息Javascript TypeError:无法读取属性';getAttribute';空的,javascript,html,Javascript,Html,正在尝试从Github添加日历控件。我收到这个信息 TypeError: Cannot read property 'getAttribute' of null at n (flatpickr:2) at ve (flatpickr:2) at ShowBins.aspx?env=*DEV&Elev=S &Name=DALLAS CTR&Site=31:74 HTML被称为ShowBins <link rel="stylesheet"
TypeError: Cannot read property 'getAttribute' of null
at n (flatpickr:2)
at ve (flatpickr:2)
at ShowBins.aspx?env=*DEV&Elev=S &Name=DALLAS CTR&Site=31:74
HTML被称为ShowBins
<link rel="stylesheet" href="assets/main.css" />
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/flatpickr/dist/flatpickr.min.css">
<script src="https://cdn.jsdelivr.net/npm/flatpickr"></script>
<script>
const today = new Date();
const fp = flatpickr(document.querySelector("#datepicker"), { "maxDate": today });
</script>
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolderMain" Runat="Server">
<div class="form-group" style="background-color:white;">
<asp:label ID="Label3" runat="server" class="auto-style32" Width="97px" >Date Shown:</asp:label>
<asp:TextBox ID="datepicker" ClientIDMode="Static" runat="server" Width="100px" Font-Bold="true" OnTextChanged="datepicker_OnTextChanged" AutoPostBack="true"></asp:TextBox>
<asp:label ID="LblBins" text="Bins" runat="server" style="margin-left: 100px"></asp:label>
<asp:DropDownList ID="DropDownBins" runat="server" AutoPostBack="true" OnSelectedIndexChanged="DropDownBins_SelectedIndexChanged" CssClass="auto-style28" Width="50px" Height="22px" Font-Bold="true"></asp:DropDownList>
<asp:label ID="LblStdTemp" text="Standard Temperature" runat="server" style="margin-left: 100px " ></asp:label>
<asp:TextBox ID="StdTemp" runat="server" ClientIDMode="Static" CssClass="auto-style24" Width="20px" OnTextChanged="StdTemp_TextChanged" AutoPostBack="true" Font-Bold="true"></asp:TextBox>
</div>
const today=新日期();
const fp=flatpickr(document.querySelector(“#datepicker”),{“maxDate”:today});
显示日期:
您没有将DOM元素作为目标,因为它在文档中的该点不存在 脚本需要在文档之后加载,将脚本放在body标记之后,这应该可以解决问题
:)不清楚你在问什么。请编辑您的帖子,以包含我们用户可以回答的特定问题。