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jQuery remove all list items from an unordered list
...() {
$('ul').empty()
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<ul>
<li>test</li>
<li>test</li>
</ul>
<input type="button" value="click me" />
http://jsfiddle.net/infernal...
jQuery: Count number of list elements?
...("#mylist").find("li").length;
console.log(num);
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul id="mylist">
<li>Element 1</li>
<li>Element 2</li>
<li>Element 3</li>
<li>Element 4...
Rails CSRF Protection + Angular.js: protect_from_forgery makes me to log out on POST
... protect_from_forgery what you're saying is "when my JavaScript code makes Ajax requests, I promise to send an X-CSRF-Token in the header that corresponds to the current CSRF token." In order to get this token, Rails injects it into the DOM with <%= csrf_meta_token %> and get gets the contents...
How do I hide javascript code in a webpage?
...resting logic that you want to protect on the server that you retrieve via ajax calls rather than do local processing.
With all that said, I think you should focus on performance, reliability and making your app great. If you absolutely have to protect some algorithm, put it on the server, but ot...
How to insert element as a first child?
... $("#parent-div").prepend(html);
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<div id="parent-div">
<div>Hello World</div>
</div>
<input type="button" value="add" class="add" />
...
创业公司起名一个比一个有噱头 上海自嘲杭州恶搞南京最硬挣 - 创意 - 清泛...
创业公司起名一个比一个有噱头 上海自嘲杭州恶搞南京最硬挣你是不是在想最火的papi酱为什么要叫papi酱？好了，不要浪费你的脑细胞了，因为来自二次元世界的创业大神们，在公司起名这件事情上，永远不...你是不是在想最火...
Counting the number of option tags in a select tag in jQuery
...input1 option').length);
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<select data-attr="dropdown" id="input1">
<option value="Male" id="Male">Male</option>
<option value="Female" id="Female">Female</optio...
How to get the currently logged in user's user id in Django?
...
I wrote this in an ajax view, but it is a more expansive answer giving the list of currently logged in and logged out users.
The is_authenticated attribute always returns True for my users, which I suppose is expected since it only checks for...
405 method not allowed Web API
...not passing it.
This does NOT work ( 405 error)
HTML View/Javascript
$.ajax({
url: '/api/News',
//.....
Web Api:
public HttpResponseMessage GetNews(int id)
Thus if the method signature is like the above then you must do:
HTML View/Javascript
$.ajax({
url: '/api/...
Get image data url in JavaScript?
... pixel data. If you need it to be exactly the same, you could probably use AJAX to get the file and base64 encode it manually.
– Matthew Crumley
Jun 1 '09 at 15:13
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