Javascript 如何跟踪实际单击委托的元素?
给定一个表行(TR)。每当用户单击表行时,我都要选中复选框,类似于在Google Drive/Google Docs上看到的复选框 复选框或任何Javascript 如何跟踪实际单击委托的元素?,javascript,jquery,delegates,html-table,Javascript,Jquery,Delegates,Html Table,给定一个表行(TR)。每当用户单击表行时,我都要选中复选框,类似于在Google Drive/Google Docs上看到的复选框 复选框或任何 示例代码: <table> <tr> <td class="selector"> <input type="checkbox" name="folders" value="67"> </td> <td class="
示例代码:
<table>
<tr>
<td class="selector">
<input type="checkbox" name="folders" value="67">
</td>
<td class="name">
<a>Item 15</a>
</td>
<td class="creator">
<span class="creator">Your Name</span>
</td>
<td class="last_modified">
<time class="" datetime="2012-11-11T00:08:09Z">Nov-10 4:08 PM</time>
</td>
<td class="actions">
<div class="actions-group">
<a class="dropdown-toggle" data-toggle="dropdown">
<i class="icon-gear">Settings</i>
<i class="icon-caret"></i>
</a>
<ul class="dropdown-menu dropright">
<li><a data-rename="true">Rename</a></li>
<li><a data-archive="true">Delete</a></li>
</ul>
</div>
</td>
</tr>
</table>
$("table").on('click', '.noclick', function (e) {
e.stopPropagation();
}).on("click", "td", function(e) {
console.log(e);
});
<input type="checkbox" class="noclick" name="folders" value="67">
<td class="selector noclick">
<input type="checkbox" name="folders" value="67">
</td>
项目15
你的名字
11月10日下午4:08
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我会对那些您不想处理行的元素使用e.stopPropagation
。见下文
选项1:
<table>
<tr>
<td class="selector">
<input type="checkbox" name="folders" value="67">
</td>
<td class="name">
<a>Item 15</a>
</td>
<td class="creator">
<span class="creator">Your Name</span>
</td>
<td class="last_modified">
<time class="" datetime="2012-11-11T00:08:09Z">Nov-10 4:08 PM</time>
</td>
<td class="actions">
<div class="actions-group">
<a class="dropdown-toggle" data-toggle="dropdown">
<i class="icon-gear">Settings</i>
<i class="icon-caret"></i>
</a>
<ul class="dropdown-menu dropright">
<li><a data-rename="true">Rename</a></li>
<li><a data-archive="true">Delete</a></li>
</ul>
</div>
</td>
</tr>
</table>
$("table").on('click', '.noclick', function (e) {
e.stopPropagation();
}).on("click", "td", function(e) {
console.log(e);
});
<input type="checkbox" class="noclick" name="folders" value="67">
<td class="selector noclick">
<input type="checkbox" name="folders" value="67">
</td>
HTML:
<table>
<tr>
<td class="selector">
<input type="checkbox" name="folders" value="67">
</td>
<td class="name">
<a>Item 15</a>
</td>
<td class="creator">
<span class="creator">Your Name</span>
</td>
<td class="last_modified">
<time class="" datetime="2012-11-11T00:08:09Z">Nov-10 4:08 PM</time>
</td>
<td class="actions">
<div class="actions-group">
<a class="dropdown-toggle" data-toggle="dropdown">
<i class="icon-gear">Settings</i>
<i class="icon-caret"></i>
</a>
<ul class="dropdown-menu dropright">
<li><a data-rename="true">Rename</a></li>
<li><a data-archive="true">Delete</a></li>
</ul>
</div>
</td>
</tr>
</table>
$("table").on('click', '.noclick', function (e) {
e.stopPropagation();
}).on("click", "td", function(e) {
console.log(e);
});
<input type="checkbox" class="noclick" name="folders" value="67">
<td class="selector noclick">
<input type="checkbox" name="folders" value="67">
</td>
或者干脆自己处理
$("table").on('click', 'td', function (e) {
if ($(this).hasClass('noclick')) { return; }
console.log(e);
});
HTML:
<table>
<tr>
<td class="selector">
<input type="checkbox" name="folders" value="67">
</td>
<td class="name">
<a>Item 15</a>
</td>
<td class="creator">
<span class="creator">Your Name</span>
</td>
<td class="last_modified">
<time class="" datetime="2012-11-11T00:08:09Z">Nov-10 4:08 PM</time>
</td>
<td class="actions">
<div class="actions-group">
<a class="dropdown-toggle" data-toggle="dropdown">
<i class="icon-gear">Settings</i>
<i class="icon-caret"></i>
</a>
<ul class="dropdown-menu dropright">
<li><a data-rename="true">Rename</a></li>
<li><a data-archive="true">Delete</a></li>
</ul>
</div>
</td>
</tr>
</table>
$("table").on('click', '.noclick', function (e) {
e.stopPropagation();
}).on("click", "td", function(e) {
console.log(e);
});
<input type="checkbox" class="noclick" name="folders" value="67">
<td class="selector noclick">
<input type="checkbox" name="folders" value="67">
</td>
演示:Jquery方法:
您只需检查e.target
的节点类型即可获得所需的行为。如果您希望在用户单击a
或复选框时启动另一个函数,而不触发“默认”函数,只需在这些其他函数上返回false
,例如:
$("table").delegate("td", "click", function(e) {
// Default stuff...
console.log(e);
});
$( 'a' ).click( function() {
// Do something else...
return false;
});
$( 'input[type="checkbox"]' ).click( function() {
// Do something else...
return false;
});
给你:
$("tr").click(function(event){
if(!$(event.srcElement).is("a"))
{
var checkbox = $(this).find('input[type="checkbox"]');
$(checkbox).prop("checked",!$(checkbox).prop("checked"));
}
});
你想做什么?要查看单击了哪个元素,请使用。谢谢,但这就是问题所在。当您单击复选框或a标记时,控制台正在记录日志,这是我不想要的。因此,我的评论的第一部分是:您想做什么?我不理解你问的问题。我想在用户单击行时检查行的复选框,除非用户单击复选框或标记。