jquery的attr函数只工作一次
我使用这个片段来显示一个对话框。不过，这效果很好：仅在我第一次单击表格单元格时才会设置标题。再次重新加载页面后，标题将被设置 - 一次。无穷无尽...
$(document).ready(function() {
$("td[id^='_ctl0_tbl_content_reportid_']").click(function() {
var tokens = this.id.split('_');
var last_index = tokens.length - 1;
var _dialog = $("#reportid_dialog_" + tokens[last_index]);
var _title = _dialog.attr("title");
_dialog.dialog({
modal: true,
closeText: 'Hide',
width: 450,
title: _title
});
});
)};
我使用 jQuery 1.4.2 和 jQuery-ui 1.8.2 也许有人告诉我我做错了什么。
I use this snippet to show a dialog. This works great however: the title is going to be set only for the first time I click the table cell. After reloading the page again the title is set - for one time. Ad infinitum...
$(document).ready(function() {
$("td[id^='_ctl0_tbl_content_reportid_']").click(function() {
var tokens = this.id.split('_');
var last_index = tokens.length - 1;
var _dialog = $("#reportid_dialog_" + tokens[last_index]);
var _title = _dialog.attr("title");
_dialog.dialog({
modal: true,
closeText: 'Hide',
width: 450,
title: _title
});
});
)};
I use jQuery 1.4.2 with jQuery-ui 1.8.2
Maybe there is somebody to tell me what I'm doing wrong.
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评论（2）
dialog()移动您传递给它的元素，以便它不再与选择器匹配。可能就是这样吗？dialog()moves the element you're passing to it, so that it's no longer matched by the selector. Might that be it?我认为您遇到了双选择器问题。由于您的选择：
第二次单击表格单元格并调用dialog()时，有2个#reportid_dialog_实例，当您尝试设置attrs时，这会导致id冲突
I think your running into a dual selector issue. Since your selecting:
The second time you click on the table cell and call dialog() there is 2 instances of #reportid_dialog_ which would lead to id's clashing when you attempt to set attrs