我正在努力尝试单击后更改文本颜色,但没有成功。 有七个标签:- 一个用于问题,四个用于答案选项,一个用于正确答案,最后一个用于解释。
当单击任何一个选项时,它应该与正确答案匹配并更改文本的颜色,即如果答案错误,则文本颜色应变为红色,如果答案正确,则文本颜色应变为绿色。
但是当我单击任何选项时,它只会更改为红色,当我单击根据正确答案正确的选项时,它也会变为红色而不是绿色。我不明白为什么? 看看我的代码。告诉我哪里出错了以及解决方案是什么。
改变颜色的jquery在第48行和第82行之间
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Test.aspx.cs" Inherits="Student_Test" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<link rel="stylesheet" href="http://code.jquery.com/ui/1.8.3/themes/base/jquery-ui.css" />
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script type="text/javascript" src="http://code.jquery.com/ui/1.8.3/jquery-ui.js"></script>
<script type="text/javascript">
$(function () {
//$("#Panel2").hide();
document.getElementById('form1').onsubmit = function () {
return false;
}//Avoid Reloading
$(".panelButton").click(function () {
var $thisButton = $(this); //save button into a variable
var $ansPanel = $(this).parent().find('.AnswerPanel'); //save ans panel into a variable
if ($ansPanel.is(":hidden")) {
$ansPanel.show();
}
else {
$ansPanel.hide();
}
if ($thisButton.val() == "Show Answer") {
$thisButton.val("Hide Answer");
} else {
$thisButton.val("Show Answer");
}
});
$(".optionclass").click(function () {
var $thisoption = $(this);
var $corrans = $(".correctans");
if ($thisoption.text() == $corrans.text()) {
$thisoption.css("color", "green");
}
else {
$thisoption.css("color", "red");
}
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<div id="tabs">
<ul>
<li><a href="#tabs-1">Tab 1</a></li>
<li><a href="#tabs-2">Tab 2</a></li>
<li><a href="#tabs-3">Tab 3</a></li>
<li><a href="#tabs-4">Tab 4</a></li>
<li><a href="#tabs-5">Tab 5</a></li>
</ul>
<div id="tabs-1">
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false" >
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:Panel ID="Panel1" runat="server">
<asp:Label ID="Label1" runat="server" Text='<%#Eval("Question") %>'></asp:Label>
<br />
<br />
<br />
<span>A-</span> <asp:Label class="optionclass" ID="Label2" runat="server" Text='<%#Eval("Option1")%>'></asp:Label>
<br />
<br />
<span>B-</span> <asp:Label class="optionclass" ID="Label3" runat="server" Text='<%#Eval("Option2")%>'></asp:Label>
<br />
<br />
<span>C-</span> <asp:Label class="optionclass" ID="Label4" runat="server" Text='<%#Eval("Option3")%>'></asp:Label>
<br />
<br />
<span>D-</span> <asp:Label class="optionclass" ID="Label5" runat="server" Text='<%#Eval("Option4")%>'></asp:Label>
<br />
<br />
<asp:Button class="panelButton" runat="server" Text="Show Answer" ClientIDMode="Static" />
<br />
<asp:Panel ID="anspanel" class="AnswerPanel" runat="server" ClientIDMode="Static">
<span>Correct Answer is :-</span><asp:Label class="correctans" ID="Label6" runat="server" Text='<%#Eval("CorrectAns")%>'></asp:Label>
<br />
<br />
<asp:Label ID="Label7" runat="server" Text='<%#Eval("Explanation")%>'></asp:Label>
</asp:Panel>
</asp:Panel>
<br />
<br />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</div>
<div id="tabs-2">
</div>
<div id="tabs-3">
Tab 3 Content
</div>
<div id="tabs-4">
Tab 4 Content
</div>
<div id="tabs-5">
Tab 5 Content
</div>
</div>
<input type="button" id="btnPrevious" value="Previous" style = "display:none"/>
<input type="button" id="btnNext" value="Next" />
</div>
</form>
</body>
</html>
最佳答案
您的代码很好,只是标签标记中没有任何数据。只需在标签标记中添加一些文本即可。
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Test.aspx.cs" Inherits="Student_Test" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<link rel="stylesheet" href="http://code.jquery.com/ui/1.8.3/themes/base/jquery-ui.css" />
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script type="text/javascript" src="http://code.jquery.com/ui/1.8.3/jquery-ui.js"></script>
<script type="text/javascript">
var currentTab = 0;
$(function () {
$("#tabs").tabs({
select: function (e, i) {
currentTab = i.index;
}
});
});
$("#btnNext").live("click", function () {
var tabs = $('#tabs').tabs();
var c = $('#tabs').tabs("length");
currentTab = currentTab == (c - 1) ? currentTab : (currentTab + 1);
tabs.tabs('select', currentTab);
$("#btnPrevious").show();
if (currentTab == (c - 1)) {
$("#btnNext").hide();
} else {
$("#btnNext").show();
}
});
$("#btnPrevious").live("click", function () {
var tabs = $('#tabs').tabs();
var c = $('#tabs').tabs("length");
currentTab = currentTab == 0 ? currentTab : (currentTab - 1);
tabs.tabs('select', currentTab);
if (currentTab == 0) {
$("#btnNext").show();
$("#btnPrevious").hide();
}
if (currentTab < (c - 1)) {
$("#btnNext").show();
}
});
$(function () {
//$("#Panel2").hide();
document.getElementById('form1').onsubmit = function () {
return false;
}//Avoid Reloading
$(".panelButton").click(function () {
var $thisButton = $(this); //save button into a variable
var $ansPanel = $(this).parent().find('.AnswerPanel'); //save ans panel into a variable
if ($ansPanel.is(":hidden")) {
$ansPanel.show();
}
else {
$ansPanel.hide();
}
if ($thisButton.val() == "Show Answer") {
$thisButton.val("Hide Answer");
} else {
$thisButton.val("Show Answer");
}
});
$(".optionclass").click(function () {
var $thisoption = $(this);
var $corrans = $(".correctans");
if ($thisoption.text() == $corrans.text()) {
$thisoption.css("color", "green");
}
else {
$thisoption.css("color", "red");
}
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<div id="tabs">
<ul>
<li><a href="#tabs-1">Tab 1</a></li>
<li><a href="#tabs-2">Tab 2</a></li>
<li><a href="#tabs-3">Tab 3</a></li>
<li><a href="#tabs-4">Tab 4</a></li>
<li><a href="#tabs-5">Tab 5</a></li>
</ul>
<div id="tabs-1">
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false" >
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:Panel ID="Panel1" runat="server">
<asp:Label ID="Label1" runat="server" Text='<%#Eval("Question") %>'></asp:Label>
<br />
<br />
<br />
<span>A-</span> <asp:Label class="optionclass" ID="Label2" runat="server" Text='<%#Eval("Option1")%>'> CLICK</asp:Label>
<br />
<br />
<span>B-</span> <asp:Label class="optionclass" ID="Label3" runat="server" Text='<%#Eval("Option2")%>'>CLICK</asp:Label>
<br />
<br />
<span>C-</span> <asp:Label class="optionclass" ID="Label4" runat="server" Text='<%#Eval("Option3")%>'>CLICK</asp:Label>
<br />
<br />
<span>D-</span> <asp:Label class="optionclass" ID="Label5" runat="server" Text='<%#Eval("Option4")%>'>CLICK</asp:Label>
<br />
<br />
<asp:Button class="panelButton" runat="server" Text="Show Answer" ClientIDMode="Static" />
<br />
<asp:Panel ID="anspanel" class="AnswerPanel" runat="server" ClientIDMode="Static">
<span>Correct Answer is :-</span><asp:Label class="correctans" ID="Label6" runat="server" Text='<%#Eval("CorrectAns")%>'></asp:Label>
<br />
<br />
<asp:Label ID="Label7" runat="server" Text='<%#Eval("Explanation")%>'></asp:Label>
</asp:Panel>
</asp:Panel>
<br />
<br />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</div>
<div id="tabs-2">
</div>
<div id="tabs-3">
Tab 3 Content
</div>
<div id="tabs-4">
Tab 4 Content
</div>
<div id="tabs-5">
Tab 5 Content
</div>
</div>
<input type="button" id="btnPrevious" value="Previous" style = "display:none"/>
<input type="button" id="btnNext" value="Next" />
</div>
</form>
</body>
</html>
关于javascript - 如何使用 jquery 单击文本后更改文本的颜色?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/36712041/