大约有 17,000 项符合查询结果（耗时：0.0259秒） [XML]
How can I upload files asynchronously?
...light) control. If you can originate a request and handle the response via javascript, it's ajax.. though, having said that, ajax is synonymous with xhr, but it doesn't itself describe the underline mechanism/components that delivers/exchanges the payload.
– Brett Caswell
...
What is the best way to detect a mobile device?
...ection and/or media queries.
Instead of using jQuery you can use simple JavaScript to detect it:
if( /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ) {
// some code..
}
Or you can combine them both to make it more accessible through jQuery...
$.bro...
JQuery to check for duplicate ids in a DOM
...aster, and you can copy it to a bookmark button to make it a bookmarklet.
javascript:(function () {
var ids = {};
var found = false;
$('[id]').each(function() {
if (this.id && ids[this.id]) {
found = true;
console.warn('Duplicate ID #'+this.id);
}
ids[this.id] ...
AJAX Mailchimp signup form integration
...iv id="message"></div>
<script src="jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function() {
$('#signup').submit(function() {
$("#message").html("<span class='error'>Adding your email address...</...
How do I change the value of a global variable inside of a function
I am using JavaScript and I create a global variable. I define it outside of a function and I want to change the global variable value from inside a function and use it from another function, how do I do this?
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Openstreetmap: embedding map in webpage (like Google Maps)
...
You need to use some JavaScript stuff to show your map. OpenLayers is the number one choice for this.
There is an example at http://wiki.openstreetmap.org/wiki/OpenLayers_Simple_Example and something more advanced at
http://wiki.openstreetmap.o...
Table header to stay fixed at the top when user scrolls it out of view with jQuery
... windows view somehow), it will stay put at the top? Anyone can give me a Javascript solution to this?
25 Answers
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Can I query MongoDB ObjectId by date?
...ueries based on dates embedded in the ObjectId in great detail.
Briefly in JavaScript code:
/* This function returns an ObjectId embedded with a given datetime */
/* Accepts both Date object and string input */
function objectIdWithTimestamp(timestamp) {
/* Convert string date to Date object (o...
Regex for string not ending with given suffix
...
regexpal is a javascript based regex tester and javascript doesn't support lookbehind assertions which is sad
– HamZa
May 6 '13 at 12:58
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jQuery removeClass wildcard
...a leading whitespace of matched classes that don't start at the beginning. Javascript doesn't support positive lookbehind so you would have to a use capture group workaround. However it is a moot, because the removeClass function will strip whitespace from your class string for you via classes = ( v...