我正在使用 jQuery 1.7.0,并且不断收到 TypeError: $(...).attr(...) 未定义。有人可以告诉我问题是什么吗?我的 jQuery 在下面。谢谢你。
function removeNewItem() {
$('.aboutitemdelete').unbind('click');
$('.aboutitemdelete').on('click', function () {
// Get Related Object
var current = $(this).attr('rel').replace('aboutitemremove_', '');
// Removing Element
$('#aboutitem_' + current).remove();
//Assign Current Element Count
answercount = parseInt($('#answercount').val());
answercount -= (answercount > 1) ? 1 : 0;
$('#answercount').val(answercount);
});
};
$(document).ready(function () {
$('.button_admin_newitem').on('click', function () {
alert('a');
current = $('.aboutsectionitem:last').attr('id').replace('aboutitem_', '');
current = Number(++current);
alert('b');
$('div.aboutitemsholder').append('<div id="aboutitem_' + current + '" class="aboutsectionitem"><h4 class="titlebar_span">About Page Item</h4><div class="aboutrow_sep"><label>Section Label</label><input id="seclabel_' + current + '" type="text" class="text" /><div class="clear"></div></div><div class="aboutrow_sep"><label>Section Content</label><div class="aboutrow_editor_holder">Telerik Editor Goes Here<div class="clear"></div></div><div class="clear"></div></div><div class="aboutrow_sep"><label>Enabled?</label><input id="itemenable_' + current + '" type="checkbox" class="checkbox" /><div class="clear"></div></div><div class="aboutrow_sep"><label>Sort Order</label><input id="sortitem_' + current + '" type="text" class="text" style="max-width: 50px;" /><div class="clear"></div></div><div class="clear"></div><div class="aboutitemremove"><label>Delete</label><a href="#" class="aboutitemdelete" rel="aboutitemremove_' + current + '"><span>Remove</span></a></div></div>');
answercount = parseInt($('#answercount').val()) + 1;
$('#answercount').val(answercount);
removeNewItem();
return false;
});
});