所以我对JavaScript很陌生，所以我真的很感激，如果有人可以帮助我， 基本上我正在使用像下面那样的html页面
现在我只对html代码的Level列感兴趣，我希望我的JavaScript或jQuery脚本突出显示红色背景颜色为3级的任何案例，任何示例代码或演示都会非常有用：）
编辑：要清楚我希望脚本检查所有行并检查级别是否为3然后突出显示具有红色背景颜色的特定情况，而不是选中复选框时！，并且我确实可以访问服务器端html文件，这就是我在本地使用javascript来修改页面的原因，就像插件一样。
<table id="SearchResultsTable" cellpadding="2" cellspacing="1" width="100%">
<thead>
<tr class="sr-header">
<th class="tiny bulk-hidden" valign="top" width="3%" align="left"><input id="selectAll" class="bulk-checkbox-header bulk-hidden" onclick="selectAllCases(this.checked);" type="checkbox"> </th>
<th class="tiny" valign="top" width="5%" align="left"><nobr><a href="" class="tiny-white">Case ID</a> </nobr> </th>
<th class="tiny" valign="top" width="30%" align="left"><nobr><a href="" class="tiny-white">Subject</a> </nobr> </th>
<th class="tiny" valign="top" width="20%" align="left"><nobr> </nobr> </th>
<th class="tiny" valign="top" width="2%" align="left"><nobr><a href="" class="tiny-white">Level</a> </nobr> </th>
<th class="tiny" valign="top" width="15%" align="left"><nobr><a href="" class="tiny-white">Status</a> </nobr> </th>
<th class="tiny" valign="top" width="10%" align="left"><nobr> </nobr> </th>
<th class="tiny" valign="top" width="5%" align="left"><nobr> </nobr> </th>
<th class="tiny" valign="top" width="5%" align="right"><nobr><strong></strong> <img src="" border="0"></nobr> </th>
<th class="tiny" valign="top" width="5%" align="right"><nobr> </nobr> </th>
</tr>
</thead>
<tbody>
<tr class="sr-light-band">
<td class="small bulk-hidden" <nobr="" valign="top" align="left">
<input name="selectCase" id="1696368392-checkbox" class="bulk-checkbox bulk-hidden" value="1696368392" type="checkbox">
</td>
<td class="small" <nobr="" valign="top" align="left"><a>1696368392</a></td>
<td class="small" <nobr="" valign="top" align="left">
<div title="Case1" style="position:relative; overflow:hidden; height:100%">
<div style="position:absolute; white-space:nowrap">
<a title="Case1">Case1</a>
</div>
</div>
</td>
<td class="small" <nobr="" valign="top" align="left">
<div title="Jussi" style="position:relative; overflow:hidden; height:100%">
<div style="position:absolute; white-space:nowrap">
</div>
</div>
</td>
<td class="small" <nobr="" valign="top" align="left">3</td>
<td class="small" <nobr="" valign="top" align="left">Unassigned</td>
<td class="small" <nobr="" valign="top" align="left"></td>
<td class="small" <nobr="" valign="top" align="left"></td>
<td class="small" <nobr="" valign="top" align="left"></td>
<td class="small" <nobr="" valign="top" align="right"></td>
<td class="small" <nobr="" valign="top" align="right"></td>
</tr>
<tr class="sr-dark-band">
<td class="small bulk-hidden" <nobr="" valign="top" align="left">
<input name="selectCase" id="1694436342-checkbox" class="bulk-checkbox bulk-hidden" value="1694436342" type="checkbox">
</td>
<td class="small" <nobr="" valign="top" align="left"><a>1694436342</a></td>
<td class="small" <nobr="" valign="top" align="left">
<div title="Case2" style="position:relative; overflow:hidden; height:100%">
<div style="position:absolute; white-space:nowrap">
<a title="Case2">Case2</a>
</div>
</div>
</td>
<td class="small" <nobr="" valign="top" align="left">
<div title="" style="position:relative; overflow:hidden; height:100%">
<div style="position:absolute; white-space:nowrap">
<a href="" title=""></a>
</div>
</div>
</td>
<td class="small" <nobr="" valign="top" align="left">4</td>
<td class="small" <nobr="" valign="top" align="left">Unassigned</td>
<td class="small" <nobr="" valign="top" align="left"></td>
<td class="small" <nobr="" valign="top" align="left"></td>
<td class="small" <nobr="" valign="top" align="left"></td>
<td class="small" <nobr="" valign="top" align="right"></td>
<td class="small" <nobr="" valign="top" align="right"></td>
</tr>
<tr class="sr-light-band">
<td class="small bulk-hidden" <nobr="" valign="top" align="left">
<input name="selectCase" id="1681523912-checkbox" class="bulk-checkbox bulk-hidden" value="1681523912" type="checkbox">
</td>
<td class="small" <nobr="" valign="top" align="left"><a>1681523912</a></td>
<td class="small" <nobr="" valign="top" align="left">
<div title="Case3"position:absolute; white-space:nowrap">
<a title="Case3">Case3</a>
</div>
</div>
</td>
<td class="small" <nobr="" valign="top" align="left">
<div title="Jussi" style="position:relative; overflow:hidden; height:100%">
<div style="position:absolute; white-space:nowrap">
</div>
</div>
</td>
<td class="small" <nobr="" valign="top" align="left">3</td>
<td class="small" <nobr="" valign="top" align="left">Unassigned</td>
<td class="small" <nobr="" valign="top" align="left"></td>
<td class="small" <nobr="" valign="top" align="left"></td>
<td class="small" <nobr="" valign="top" align="left"></td>
<td class="small" <nobr="" valign="top" align="right"></td>
<td class="small" <nobr="" valign="top" align="right"></td>
</tr>
</tbody>
</table>
答案 0 :(得分：1)
$(document).ready(function() {
var levelColumnIndex = 5;
$('tr td:nth-child('+levelColumnIndex+')').each(function() {
var cellText = $(this).html();
if(cellText == 3){
$(this).parent().css('background-color','red');
}
});
});
这应该只突出显示Level值等于3的行。当然，此解决方案基于列索引，该索引应该是之前已知的。幸运的是，jQuery处理了nth-child，缺乏原生浏览器支持，所以如果你的浏览器不支持它，你就不应该为此烦恼。
以下是我的解决方案JSFiddle
的工作演示答案 1 :(得分：0)
你试试这个..
function hiliter(word, element) {
var rgxp = new RegExp(word, 'g');
var repl = '<span class="myClass">' + word + '</span>';
element.innerHTML = element.innerHTML.replace(rgxp, repl);
}
hiliter('dolor');
答案 2 :(得分：0)
$(document).ready(function () {
$("input:checkbox").change(function () {
alert();
if ($(this).prop("checked") == true) {
$(this).closest('tr').addClass("checked");
} else $(this).closest('tr').removeClass("checked");
});
});.checked {
background-color:red;
}<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<table>
<tr id="row_0" role="row" class="odd">
<td class="sorting_1">
<input type="checkbox" />
</td>
<td>Name</td>
</tr>
</table>
答案 3 :(得分：0)
这是你如何做到的，
1：选择标题级别位置。 2：搜索该位置的所有td值
var levelstatusPosition = "";
$("#SearchResultsTable th").each(function(k,v){ // find the header location of level column
if($(v).find("a" ))
{
if($.trim($(this).text()) == "Level")
{
levelstatusPosition = k + 1; // 0 based
}
}
});
$('#SearchResultsTable tr td:nth-child('+levelstatusPosition+')').each(function(k,v){
if($(v).text() == 3)
{
$(v).parent().css("background","red")
}
});<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<table id="SearchResultsTable" cellpadding="2" cellspacing="1" width="100%">
<thead>
<tr class="sr-header">
<th class="tiny bulk-hidden" valign="top" width="3%" align="left"><input id="selectAll" class="bulk-checkbox-header bulk-hidden" onclick="selectAllCases(this.checked);" type="checkbox"> </th>
<th class="tiny" valign="top" width="5%" align="left"><nobr><a href="" class="tiny-white">Case ID</a> </nobr> </th>
<th class="tiny" valign="top" width="30%" align="left"><nobr><a href="" class="tiny-white">Subject</a> </nobr> </th>
<th class="tiny" valign="top" width="20%" align="left"><nobr> </nobr> </th>
<th class="tiny" valign="top" width="2%" align="left"><nobr><a href="" class="tiny-white">Level</a> </nobr> </th>
<th class="tiny" valign="top" width="15%" align="left"><nobr><a href="" class="tiny-white">Status</a> </nobr> </th>
<th class="tiny" valign="top" width="10%" align="left"><nobr> </nobr> </th>
<th class="tiny" valign="top" width="5%" align="left"><nobr> </nobr> </th>
<th class="tiny" valign="top" width="5%" align="right"><nobr><strong></strong> <img src="" border="0"></nobr> </th>
<th class="tiny" valign="top" width="5%" align="right"><nobr> </nobr> </th>
</tr>
</thead>
<tbody>
<tr class="sr-light-band">
<td class="small bulk-hidden" <nobr="" valign="top" align="left">
<input name="selectCase" id="1696368392-checkbox" class="bulk-checkbox bulk-hidden" value="1696368392" type="checkbox">
</td>
<td class="small" <nobr="" valign="top" align="left"><a>1696368392</a></td>
<td class="small" <nobr="" valign="top" align="left">
<div title="Case1" style="position:relative; overflow:hidden; height:100%">
<div style="position:absolute; white-space:nowrap">
<a title="Case1">Case1</a>
</div>
</div>
</td>
<td class="small" <nobr="" valign="top" align="left">
<div title="Jussi" style="position:relative; overflow:hidden; height:100%">
<div style="position:absolute; white-space:nowrap">
</div>
</div>
</td>
<td class="small" <nobr="" valign="top" align="left">3</td>
<td class="small" <nobr="" valign="top" align="left">Unassigned</td>
<td class="small" <nobr="" valign="top" align="left"></td>
<td class="small" <nobr="" valign="top" align="left"></td>
<td class="small" <nobr="" valign="top" align="left"></td>
<td class="small" <nobr="" valign="top" align="right"></td>
<td class="small" <nobr="" valign="top" align="right"></td>
</tr>
<tr class="sr-dark-band">
<td class="small bulk-hidden" <nobr="" valign="top" align="left">
<input name="selectCase" id="1694436342-checkbox" class="bulk-checkbox bulk-hidden" value="1694436342" type="checkbox">
</td>
<td class="small" <nobr="" valign="top" align="left"><a>1694436342</a></td>
<td class="small" <nobr="" valign="top" align="left">
<div title="Case2" style="position:relative; overflow:hidden; height:100%">
<div style="position:absolute; white-space:nowrap">
<a title="Case2">Case2</a>
</div>
</div>
</td>
<td class="small" <nobr="" valign="top" align="left">
<div title="" style="position:relative; overflow:hidden; height:100%">
<div style="position:absolute; white-space:nowrap">
<a href="" title=""></a>
</div>
</div>
</td>
<td class="small" <nobr="" valign="top" align="left">4</td>
<td class="small" <nobr="" valign="top" align="left">Unassigned</td>
<td class="small" <nobr="" valign="top" align="left"></td>
<td class="small" <nobr="" valign="top" align="left"></td>
<td class="small" <nobr="" valign="top" align="left"></td>
<td class="small" <nobr="" valign="top" align="right"></td>
<td class="small" <nobr="" valign="top" align="right"></td>
</tr>
<tr class="sr-light-band">
<td class="small bulk-hidden" <nobr="" valign="top" align="left">
<input name="selectCase" id="1681523912-checkbox" class="bulk-checkbox bulk-hidden" value="1681523912" type="checkbox">
</td>
<td class="small" <nobr="" valign="top" align="left"><a>1681523912</a></td>
<td class="small" <nobr="" valign="top" align="left">
<div title="Case3"position:absolute; white-space:nowrap">
<a title="Case3">Case3</a>
</div>
</div>
</td>
<td class="small" <nobr="" valign="top" align="left">
<div title="Jussi" style="position:relative; overflow:hidden; height:100%">
<div style="position:absolute; white-space:nowrap">
</div>
</div>
</td>
<td class="small" <nobr="" valign="top" align="left">3</td>
<td class="small" <nobr="" valign="top" align="left">Unassigned</td>
<td class="small" <nobr="" valign="top" align="left"></td>
<td class="small" <nobr="" valign="top" align="left"></td>
<td class="small" <nobr="" valign="top" align="left"></td>
<td class="small" <nobr="" valign="top" align="right"></td>
<td class="small" <nobr="" valign="top" align="right"></td>
</tr>
</tbody>
</table>