這是其中一個阻止錯誤的工作,然後它不起作用,並且不通過Firebug提供任何調試提示。jQuery - 動態觸發器無法正常工作
我有一個「媒體室」頁面,允許用戶查看YouTube視頻,如果有會員,則對該視頻發表評論。當我加載觸發器時,.on('click'...)觸發器按預期工作。但是,如果用戶選擇另一個視頻,則使用.empty()並替換觸發器。在動態添加之後,它不再生成警報。
頁面可以在開發服務器上看到http://dev.edrtrust.com/play/index.php/media/media_room,我說的觸發器是視頻正上方的「評論(0)」。
的HTML/jQuery代碼包含:
<div id="content_right">
<div id="videoInfo">
<?php if($cntVids > 0){ ?>
<p class="vTitle"><?= $vids[0]['title']; ?></p>
<p class="vArtist"><?= $vids[0]['artist']; ?></p>
<p class="vPost">
<?= "Posted by " . $vids[0]['first_name'] . " " .
$vids[0]['last_name'] . " on " .
substr($vids[0]['postDate'],0,10); ?>
</p>
<p>Views: <?= $vids[0]['views']; ?></p>
<?php } else { ?>
<p class="vNone">There are no videos available.<br><br>Please choose another artist from the drop-down menu to the left.</p>
<?php } // end if ?>
<div id="adminPick" style="display:none;">
<img src="<?= base_url('assets/images/ppm_pick.png'); ?>" />
</div> <!-- END adminPick DIV -->
<br><br>
<div class="commentControls">
<?php
//print_r($vids[0]);
$cntComments = $this->content->countMediaComments($vids[0]['media']);
?>
<table class="tblCommentsControl" align="center" border="0" width="800px" style="margin-left:20px;">
<tr>
<td style="width:50%;text-align:left;">
<h6 class='lynx btnComments' name="<?= $vids[0]['media']; ?>">
Comments (<span class='cnt'><?= $cntComments; ?></span>)
</h6>
</td>
<td style="width:50%;text-align:center;">
<?php if($_SESSION['loggedIn'] && $_SESSION['loggedIn'] == 'true'){ ?>
<h6 class='lynx btnAddCom' name="<?= $vids[0]['media']; ?>">
Add Comment
</h6>
<?php } else { ?>
<h6>Login or register to comment.</h6>
<?php } // end if ?>
</td>
</tr>
</table>
</div> <!-- END commentControls DIV -->
</div> <!-- END videoInfo DIV -->
的jQuery:
$('h6.btnComments').on('click', function(e){
var media_id = $(this).attr('name');
alert(media_id);
}); // end comment button click
最後,通過AJAX,我更換時,選擇一個新的視頻上面的內容(這是沒有按」 t工作)
public function get_media_by_tube(){
$id = $this->input->post('ytID');
$vids = $this->content->getMediaByYT($id);
$cntComments = $this->content->countMediaComments($vids[0]['media']);
//echo $this->db->last_query();
//print_r($vids);
echo "<p class='vTitle' name='" . $vids[0]['id']. "'>" . $vids[0]['title'] . "</p>";
echo "<p class='vArtist' name='" . $vids[0]['is_featured'] . "'>" . $vids[0]['artist'] . "</p>";
echo "<p class='vPost'>Posted by ";
echo $vids[0]['first_name'] . " " . $vids[0]['last_name'];
echo " on " . substr($vids[0]['postDate'],0,10) . "</p>";
echo "<p>Views: " . $vids[0]['views'] . "</p>";
echo "<div id='adminPick' style='display:none;'>";
echo "<img src='base_url('assets/images/ppm_pick.png')' />";
echo "</div> <!-- END adminPick DIV -->";
echo "<br><br>";
echo "<div class='commentControls'>";
echo "<table class='tblCommentsControl' align='center' border='0' width='800px' style='margin-left:20px;'>";
echo "<tr>";
echo "<td style='width:50%;text-align:left;'>";
echo "<h6 class='lynx btnComments' name='" . $vids[0]['media'] . "'>";
echo "Comments (<span class='cnt'>" . $cntComments . "</span>)";
echo "</h6></td>";
echo "<td style='width:50%;text-align:center;'>";
if($_SESSION['loggedIn'] && $_SESSION['loggedIn'] == 'true'){
echo "<h6 class='lynx btnAddCom' name='" . $vids[0]['media'] . "'>";
echo "Add Comment";
echo "</h6>";
} else {
echo "<h6>Login or Register to Comment</h6>";
} // end if
echo "</td>";
echo "</tr></table></div> <!-- END commentControls DIV -->";
} // end json_get_media_by_tube function
任何和所有的幫助表示讚賞。
我想.live和.delegate被棄用 – jgravois
沒錯,'$(選擇)。在( '點擊',函數...'替代$(選擇器).click(函數),'$(頂級選擇器).on('點擊','選擇器'...)'替代live()和委託() – dimuch
我錯過了...所以,如果我有#videoInfo中的兩個鏈接,我可以有兩個頂級('點擊')...像$('#videoInfo')。 ',h6.btnComments',function ... AND $('#videoInfo')。on('click',h6.btnAddCom,function ...?我會認爲第一個永遠不會開火,但會被第二,但這對我來說是新的,所以我問... – jgravois