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2014/10/16 ¤W¤È 12:01:50
jquery Programming Glossary: actuallyHow may I sort a list alphabetically using jQuery? http://stackoverflow.com/questions/1134976/how-may-i-sort-a-list-alphabetically-using-jquery I'm a bit out of my depth here and I'm hoping this is actually possible. I'd like to be able to call a function that would..
Make cross-domain ajax JSONP request with jQuery http://stackoverflow.com/questions/11736431/make-cross-domain-ajax-jsonp-request-with-jquery do a .ajax with dataType 'jsonp' meaning that jQuery is actually adding a new parameter to the query URL. For instance if your.. . This method is more kind of a proxy actually attached in window object. This is nothing specific but does.. function actualJsonpData here actually has reference to the success function mentioned with .ajax so..
How do I check if the mouse is over an element in jQuery? http://stackoverflow.com/questions/1273566/how-do-i-check-if-the-mouse-is-over-an-element-in-jquery data. Remove the data on callback of the fadeout. It is actually less expensive to use mouseenter mouseleave because they do..
Why does jQuery or a DOM method such as `getElementById` not find the element? http://stackoverflow.com/questions/14028959/why-does-jquery-or-a-dom-method-such-as-getelementbyid-not-find-the-element your selector or you are trying to select them before they actually exist . An added twist is when jQuery is not found because you..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events Wrong the .live method is extremely slow. The .live method actually hooks its events to the document object which means that the..
How do I “think in AngularJS” if I have a jQuery background? http://stackoverflow.com/questions/14994391/how-do-i-think-in-angularjs-if-i-have-a-jquery-background of jQuery like functions what are they Directives are actually extensions of HTML . If HTML doesn't do something you need it..
jQuery “Please Wait, Loading…” animation? [duplicate] http://stackoverflow.com/questions/1964839/jquery-please-wait-loading-animation the jQuery Alright on to the jQuery. This next part is actually really simple body body document .on ajaxStart function body.addClass..
http://stackoverflow.com/questions/2558977/ajax-cross-domain-call somewhere on my site. I tried it with dataType jsonp that actually would work but I get a syntax error obviously because the received..
XmlHttpRequest error: Origin null is not allowed by Access-Control-Allow-Origin http://stackoverflow.com/questions/3595515/xmlhttprequest-error-origin-null-is-not-allowed-by-access-control-allow-origin file have limited support for CORS. Make sure the browser actually supports CORS . Opera and Internet Explorer are late to the..
http://stackoverflow.com/questions/4579117/jquery-live-vs-delegate however seems to me to be much more explicit about what is actually happening. You don't realise from the live example that the.. don't realise from the live example that the events are actually being captured on document with delegate it is clear that the..
When to use Vanilla JavaScript vs. jQuery? http://stackoverflow.com/questions/4651923/when-to-use-vanilla-javascript-vs-jquery certain practices using javascript instead of jQuery that actually enable you to write less and do ... well the same amount. And.. into the mix. Or is this a rare case of a jQuery shortcut actually requiring more code EDIT While I appreciate the answers regarding.. regarding jQuery vs. plain javascript performance I am actually looking for much more quantitative answers. While using jQuery..
Official way to ask jQuery wait for all images to load before executing something http://stackoverflow.com/questions/544993/official-way-to-ask-jquery-wait-for-all-images-to-load-before-executing-somethin There is a bug in jQuery 1.3.1 in Internet Explorer which actually does wait for all images to load before executing code inside..
http://stackoverflow.com/questions/5874652/prop-vs-attr .attr checked checked ... if #cb .is checked ... This is actually the simplest thing in the world to do with the checked Boolean..
how to bind fancybox to dynamic added element? http://stackoverflow.com/questions/9081571/how-to-bind-fancybox-to-dynamic-added-element not when you replace the content of the page. The method actually works on either of the two scenarios mentioned above. Just make..
How to assign event callbacks iterating an array in javascript (jQuery) http://stackoverflow.com/questions/1104321/how-to-assign-event-callbacks-iterating-an-array-in-javascript-jquery class_id li_item jQuery ' li li ' .click callback Actually more is going on in this iteration but I didn't think it was..
How to decode HTML entities using jQuery? http://stackoverflow.com/questions/1147359/how-to-decode-html-entities-using-jquery in the first place jquery share improve this question Actually try var decoded div .html encodedStr .text share improve this..
Getting Zend_Navigation menu to work with jQuery's Fisheye http://stackoverflow.com/questions/1243697/getting-zend-navigation-menu-to-work-with-jquerys-fisheye Dock menu. However this plugin needs a specific markup... Actually it takes a list of a elements containing both an img for the..
Is $(document).ready() also CSS ready? http://stackoverflow.com/questions/1324568/is-document-ready-also-css-ready when ready kicks in. But it should save you from problems. Actually I find it a bit strange that just putting the CSS above the..
Getting URL hash location, and using it in jQuery http://stackoverflow.com/questions/1822598/getting-url-hash-location-and-using-it-in-jquery property already contains the # symbol at the beginning. Actually you don't need the first pseudo selector since you are using..
X-Requested-With header not set in jquery ajaxForm plugin http://stackoverflow.com/questions/1846675/x-requested-with-header-not-set-in-jquery-ajaxform-plugin question @Nicky De Maeyer's answer to his own question Actually you don't need to do this yourself appending a hidden input..
http://stackoverflow.com/questions/2312761/jquery-first-vs-first on a collection and then exclusively on the first element. Actually one of the most costly operation you can do in jQuery is a query...
How to hide optgroup/option elements? http://stackoverflow.com/questions/2731668/how-to-hide-optgroup-option-elements . It works in Firefox but not in any other browsers. Actually removing them from the DOM does work so perhaps there's a way..
Slider with buttons. How to improve? http://stackoverflow.com/questions/2834004/slider-with-buttons-how-to-improve drag and drop functionality. Here is the extra code Update Actually I think if you don't use the jQuery animate function you get..
How do you detect the clearing of a “search” HTML5 input? http://stackoverflow.com/questions/2977023/how-do-you-detect-the-clearing-of-a-search-html5-input javascript events html5 share improve this question Actually there is a search event that is fired whenever the user searches..
jQuery Event Keypress: Which key was pressed? http://stackoverflow.com/questions/302122/jquery-event-keypress-which-key-was-pressed events bind keypress share improve this question Actually this is better var code e.keyCode e.which if code 13 Enter keycode..
Creating a CSS class in jQuery http://stackoverflow.com/questions/3393162/creating-a-css-class-in-jquery jquery css class share improve this question Actually you can create a CSS rule that will affect all elements on the..
Wait until all jquery ajax request are done? http://stackoverflow.com/questions/3709597/wait-until-all-jquery-ajax-request-are-done next. But how jquery ajax share improve this question Actually jQuery now defines a 'when' function for this purpose. http..
jQuery html attribute not working in IE http://stackoverflow.com/questions/412734/jquery-html-attribute-not-working-in-ie instead of the html method as detailed in this post . edit Actually I've just run into this problem myself. For me the answer was..
Javascript .keyCode vs. .which? http://stackoverflow.com/questions/4471582/javascript-keycode-vs-which you can reliably use which as jQuery standardizes things . Actually I think you can reliably use either with jQuery . More here...
Trying to update Facebook Open Graph meta tags using client side jquery and ajax http://stackoverflow.com/questions/5167759/trying-to-update-facebook-open-graph-meta-tags-using-client-side-jquery-and-ajax ' jquery ajax facebook share improve this question Actually you can use such script Append Meta tags function setMT metaName..
Parsing XML with CDATA with JQuery http://stackoverflow.com/questions/652159/parsing-xml-with-cdata-with-jquery you don't want to get confused as may have happened here. Actually it tries to filter out jQuery custom attributes first using..
can jquery ajax call external webservice? http://stackoverflow.com/questions/727183/can-jquery-ajax-call-external-webservice and specifying a callback in the url like so callback Actually all you need is the question mark as the param value the param..
Delay pop-up for 10 seconds, only pop up once http://stackoverflow.com/questions/8298886/delay-pop-up-for-10-seconds-only-pop-up-once jquery popup fancybox share improve this question Actually none of the solutions posted previously work in real life why..
How can jQuery behave like an object and a function? http://stackoverflow.com/questions/8734115/how-can-jquery-behave-like-an-object-and-a-function as selector length etc... jQuery.fn.removeClass function Actually via jQuery.fn.extend ... method logic... ...lots of other stuff.....
How may I sort a list alphabetically using jQuery? http://stackoverflow.com/questions/1134976/how-may-i-sort-a-list-alphabetically-using-jquery may I sort a list alphabetically using jQuery I'm a bit out of my depth here and I'm hoping this is actually possible. I'd like to be able to call a function that would sort all the items in my list alphabetically. I've been looking..
Make cross-domain ajax JSONP request with jQuery http://stackoverflow.com/questions/11736431/make-cross-domain-ajax-jsonp-request-with-jquery and your web application hosted in the same domain. When you do a .ajax with dataType 'jsonp' meaning that jQuery is actually adding a new parameter to the query URL. For instance if your URL is http 10.211.2.219 8080 SampleWebService sample.do then.. sample.do then jQuery will add callback some_random_dynamically_generated_method . This method is more kind of a proxy actually attached in window object. This is nothing specific but does look something like this window.some_random_dynamically_generated_method.. but does look something like this window.some_random_dynamically_generated_method function actualJsonpData here actually has reference to the success function mentioned with .ajax so it just calls the success method like this successCallback..
How do I check if the mouse is over an element in jQuery? http://stackoverflow.com/questions/1273566/how-do-i-check-if-the-mouse-is-over-an-element-in-jquery Then onmouseover cancel the timeout if there is a value in the data. Remove the data on callback of the fadeout. It is actually less expensive to use mouseenter mouseleave because they do not fire for the menu when children mouseover mouseout fire...
Why does jQuery or a DOM method such as `getElementById` not find the element? http://stackoverflow.com/questions/14028959/why-does-jquery-or-a-dom-method-such-as-getelementbyid-not-find-the-element with jQuery. jQuery won't find elements if you misspelled your selector or you are trying to select them before they actually exist . An added twist is when jQuery is not found because you have loaded the script without protocol and are running from..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events for the life of the app based on its selector. Great right Wrong the .live method is extremely slow. The .live method actually hooks its events to the document object which means that the event must bubble up from the element that generated the event..
How do I “think in AngularJS” if I have a jQuery background? http://stackoverflow.com/questions/14994391/how-do-i-think-in-angularjs-if-i-have-a-jquery-background tests still pass. w00t So if directives aren't just collections of jQuery like functions what are they Directives are actually extensions of HTML . If HTML doesn't do something you need it to do you write a directive to do it for you and then use..
jQuery “Please Wait, Loading…” animation? [duplicate] http://stackoverflow.com/questions/1964839/jquery-please-wait-loading-animation will be visible body.loading .modal display block And finally the jQuery Alright on to the jQuery. This next part is actually really simple body body document .on ajaxStart function body.addClass loading ajaxStop function body.removeClass loading..
http://stackoverflow.com/questions/2558977/ajax-cross-domain-call over a ajax HTTP request and display the results somewhere on my site. I tried it with dataType jsonp that actually would work but I get a syntax error obviously because the received data is not JSON formated Is there any other possiblity..
XmlHttpRequest error: Origin null is not allowed by Access-Control-Allow-Origin http://stackoverflow.com/questions/3595515/xmlhttprequest-error-origin-null-is-not-allowed-by-access-control-allow-origin
http://stackoverflow.com/questions/4579117/jquery-live-vs-delegate .delegate 'a.myClass' 'click' function ... This however seems to me to be much more explicit about what is actually happening. You don't realise from the live example that the events are actually being captured on document with delegate.. to be much more explicit about what is actually happening. You don't realise from the live example that the events are actually being captured on document with delegate it is clear that the event capturing happens on #containerElement . You can do..
When to use Vanilla JavaScript vs. jQuery? http://stackoverflow.com/questions/4651923/when-to-use-vanilla-javascript-vs-jquery attempting to answer common jQuery questions that there are certain practices using javascript instead of jQuery that actually enable you to write less and do ... well the same amount. And may also yield performance benefits. A specific example this.. could be accomplished easier without bringing jQuery into the mix. Or is this a rare case of a jQuery shortcut actually requiring more code EDIT While I appreciate the answers regarding jQuery vs. plain javascript performance I am actually.. requiring more code EDIT While I appreciate the answers regarding jQuery vs. plain javascript performance I am actually looking for much more quantitative answers. While using jQuery instances where one would actually be better off readability..
Official way to ask jQuery wait for all images to load before executing something http://stackoverflow.com/questions/544993/official-way-to-ask-jquery-wait-for-all-images-to-load-before-executing-somethin but I don't really want to do that unless I have to. Note There is a bug in jQuery 1.3.1 in Internet Explorer which actually does wait for all images to load before executing code inside function . So if you're using that platform you'll get the..
http://stackoverflow.com/questions/5874652/prop-vs-attr following suggestions if #cb .attr checked true ... if #cb .attr checked checked ... if #cb .is checked ... This is actually the simplest thing in the world to do with the checked Boolean property which has existed and worked flawlessly in every..
how to bind fancybox to dynamic added element? http://stackoverflow.com/questions/9081571/how-to-bind-fancybox-to-dynamic-added-element method only works when you add new content to the page but not when you replace the content of the page. The method actually works on either of the two scenarios mentioned above. Just make sure that the new replacing content is also loaded inside..
How to assign event callbacks iterating an array in javascript (jQuery) http://stackoverflow.com/questions/1104321/how-to-assign-event-callbacks-iterating-an-array-in-javascript-jquery up a bit for class_id in classes callback function this.selectClass class_id li_item jQuery ' li li ' .click callback Actually more is going on in this iteration but I didn't think it was very relevant to the question. In any case what's happening..
How to decode HTML entities using jQuery? http://stackoverflow.com/questions/1147359/how-to-decode-html-entities-using-jquery
Getting Zend_Navigation menu to work with jQuery's Fisheye http://stackoverflow.com/questions/1243697/getting-zend-navigation-menu-to-work-with-jquerys-fisheye building uses the jQuery Fisheye plugin to build a Mac like Dock menu. However this plugin needs a specific markup... Actually it takes a list of a elements containing both an img for the icon and a span for the tooltip . The standard Menu view helper..
Is $(document).ready() also CSS ready? http://stackoverflow.com/questions/1324568/is-document-ready-also-css-ready rendering the CSS so you may still see the screen change when ready kicks in. But it should save you from problems. Actually I find it a bit strange that just putting the CSS above the JS will solve all issues. The CSS is loaded asynchronously so..
Getting URL hash location, and using it in jQuery http://stackoverflow.com/questions/1822598/getting-url-hash-location-and-using-it-in-jquery window.location.hash 'ul' hash ' first' .show Note that this property already contains the # symbol at the beginning. Actually you don't need the first pseudo selector since you are using the ID selector is assumed that IDs are unique within the DOM...
X-Requested-With header not set in jquery ajaxForm plugin http://stackoverflow.com/questions/1846675/x-requested-with-header-not-set-in-jquery-ajaxform-plugin can I fix this javascript jquery ajax share improve this question @Nicky De Maeyer's answer to his own question Actually you don't need to do this yourself appending a hidden input field . AFAIK you can just pass such data to ajaxForms plugin..
http://stackoverflow.com/questions/2312761/jquery-first-vs-first or break the chain in situations when you need to work on a collection and then exclusively on the first element. Actually one of the most costly operation you can do in jQuery is a query. The less you do the better it is... One example I can..
How to hide optgroup/option elements? http://stackoverflow.com/questions/2731668/how-to-hide-optgroup-option-elements and also using regular Javascript to set style.display 'none' . It works in Firefox but not in any other browsers. Actually removing them from the DOM does work so perhaps there's a way to save each DOM element when it's removed and reinsert them..
Slider with buttons. How to improve? http://stackoverflow.com/questions/2834004/slider-with-buttons-how-to-improve I made a demo with mousewheel functionality and mouse drag and drop functionality. Here is the extra code Update Actually I think if you don't use the jQuery animate function you get a smoother scroll. I have updated the code above and the demo..
How do you detect the clearing of a “search” HTML5 input? http://stackoverflow.com/questions/2977023/how-do-you-detect-the-clearing-of-a-search-html5-input detecting x position y position javascript jquery events javascript events html5 share improve this question Actually there is a search event that is fired whenever the user searches or when the user clicks the x . This is especially useful..
jQuery Event Keypress: Which key was pressed? http://stackoverflow.com/questions/302122/jquery-event-keypress-which-key-was-pressed
Creating a CSS class in jQuery http://stackoverflow.com/questions/3393162/creating-a-css-class-in-jquery create or define a CSS class in jQuery and then attach it javascript jquery css class share improve this question Actually you can create a CSS rule that will affect all elements on the current page. In most browsers it should be as simple as..
Wait until all jquery ajax request are done? http://stackoverflow.com/questions/3709597/wait-until-all-jquery-ajax-request-are-done wait for all ajax requests to be done before i execute the next. But how jquery ajax share improve this question Actually jQuery now defines a 'when' function for this purpose. http api.jquery.com jQuery.when It accepts any number of Deferred..
jQuery html attribute not working in IE http://stackoverflow.com/questions/412734/jquery-html-attribute-not-working-in-ie html forms share improve this question Try using append instead of the html method as detailed in this post . edit Actually I've just run into this problem myself. For me the answer was to call empty first then append which has the same effect..
Javascript .keyCode vs. .which? http://stackoverflow.com/questions/4471582/javascript-keycode-vs-which
Trying to update Facebook Open Graph meta tags using client side jquery and ajax http://stackoverflow.com/questions/5167759/trying-to-update-facebook-open-graph-meta-tags-using-client-side-jquery-and-ajax 'head' .append meta property og title content The Rock ' jquery ajax facebook share improve this question Actually you can use such script Append Meta tags function setMT metaName name value var t 'meta ' metaName ' ' name ' ' var mt t..
Parsing XML with CDATA with JQuery http://stackoverflow.com/questions/652159/parsing-xml-with-cdata-with-jquery same function. They're completely different operations which you don't want to get confused as may have happened here. Actually it tries to filter out jQuery custom attributes first using a regex. Unfortunately since regex cannot parse HTML it will..
can jquery ajax call external webservice? http://stackoverflow.com/questions/727183/can-jquery-ajax-call-external-webservice jquery you can make a jsonp request using the .json function and specifying a callback in the url like so callback Actually all you need is the question mark as the param value the param name can be anything. Only catch is that the server you are..
Delay pop-up for 10 seconds, only pop up once http://stackoverflow.com/questions/8298886/delay-pop-up-for-10-seconds-only-pop-up-once seconds But once it's been closed it schouldn't pop up again. jquery popup fancybox share improve this question Actually none of the solutions posted previously work in real life why because the line #various1 .fancybox doesn't trigger fancybox..
How can jQuery behave like an object and a function? http://stackoverflow.com/questions/8734115/how-can-jquery-behave-like-an-object-and-a-function methods such as size get etc... .... other properties such as selector length etc... jQuery.fn.removeClass function Actually via jQuery.fn.extend ... method logic... ...lots of other stuff... win. win.jQuery jQuery Publish method window The advantage..
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