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2014/10/16 ¤W¤È 12:06:06
jquery Programming Glossary: otherwiseWhat's the difference in the :not() selector between jQuery and CSS? http://stackoverflow.com/questions/10711730/whats-the-difference-in-the-not-selector-between-jquery-and-css jQuery to add the unassigned class to sectors that don't otherwise have one of the classes alpha beta or gamma '#sectors div not..
What CSS3 selectors does jQuery really support, e.g. :nth-last-child()? http://stackoverflow.com/questions/11745274/what-css3-selectors-does-jquery-really-support-e-g-nth-last-child cause it to fail The selector is invalid not supported or otherwise cannot be used see the Selectors API spec for details . The..
Microsoft CDN for jQuery or Google CDN? http://stackoverflow.com/questions/1447184/microsoft-cdn-for-jquery-or-google-cdn host jQuery UI Microsoft offers their scripts that would otherwise be served via ScriptResource.axd and an easier integration e.g...
Jquery .on() method not working on dynamic content http://stackoverflow.com/questions/15090942/jquery-on-method-not-working-on-dynamic-content this question You have to add the selector parameter otherwise the event is directly bound doesn't work for dynamically loaded..
Preventing click event with jQuery drag and drop http://stackoverflow.com/questions/1771627/preventing-click-event-with-jquery-drag-and-drop In the click handler I remove the marker class if present otherwise the click is handled normally. 'your selector' .draggable start..
Simple ASP.NET MVC CRUD views opening/closing in JavaScript UI dialog http://stackoverflow.com/questions/1843894/simple-asp-net-mvc-crud-views-opening-closing-in-javascript-ui-dialog logic out of the way and in a custom ViewEngine because otherwise each controller method is going to have to have if else all..
jQuery - Fire event if CSS class changed http://stackoverflow.com/questions/1950038/jquery-fire-event-if-css-class-changed .bind 'cssClassChanged' data function do stuff but otherwise no there's no baked in way to fire an event when a class changes...
Get computed font size for DOM element in JS http://stackoverflow.com/questions/1955048/get-computed-font-size-for-dom-element-in-js to use the non standard IE element.currentStyle property otherwise you can look for the DOM Level 2 standard getComputedStyle method..
jQuery single quote in JSON response http://stackoverflow.com/questions/2275359/jquery-single-quote-in-json-response quote properly escaped like ' jQuery fails to parse an otherwise valid JSON string. Here's an example of what I mean done in..
Triggering a JavaScript click() event at specific coordinates http://stackoverflow.com/questions/2845178/triggering-a-javascript-click-event-at-specific-coordinates to the trigger call . Any way to do this in jQuery or otherwise Thanks javascript jquery click triggers share improve this..
Download File Using Javascript/jQuery http://stackoverflow.com/questions/3749231/download-file-using-javascript-jquery internet. To force the browser to download a file it would otherwise be capable of rendering such as HTML or text files you need..
http://stackoverflow.com/questions/4813219/jquery-checkbox-value checkbox is checked then I only need to get the value as 1 otherwise I need to get it as 0. How do I do this using jquery #ans .val..
Sending multipart/formdata with jQuery.ajax http://stackoverflow.com/questions/5392344/sending-multipart-formdata-with-jquery-ajax forcing jQuery not to add a Content Type header for you otherwise the boundary string will be missing from it. Also you must leave.. it. Also you must leave the processData flag set to false otherwise jQuery will try to convert your FormData into a string which..
Facebook how to check if user has liked page and show content? http://stackoverflow.com/questions/6246449/facebook-how-to-check-if-user-has-liked-page-and-show-content the user is a fan of the page it returns the user id and otherwise it returns an empty array after that and depending on the results..
How to send FormData objects with Ajax-requests in jQuery? http://stackoverflow.com/questions/6974684/how-to-send-formdata-objects-with-ajax-requests-in-jquery info. Setting the contentType to false is imperative since otherwise jQuery will set it incorrectly . share improve this answer..
http://stackoverflow.com/questions/704679/parse-html-string-with-jquery you could just go assuming there's only an img in your DOM otherwise you'll need a more precise selector img data .attr src if you..
AJAX Jquery UI Dialog window loaded within Ajax style Jquery UI Tabs http://stackoverflow.com/questions/809035/ajax-jquery-ui-dialog-window-loaded-within-ajax-style-jquery-ui-tabs param object to issue a GET request instead a POST request otherwise you may provide post parameters within the object function..
How do I hide the tooltip on hover from the title tag when using FancyBox 2.0? http://stackoverflow.com/questions/9610883/how-do-i-hide-the-tooltip-on-hover-from-the-title-tag-when-using-fancybox-2-0 is that the div with the title should follow every anchor otherwise the .next method will fail. You may customize the script though..
jQuery CSS plugin that returns computed style of element to pseudo clone that element? http://stackoverflow.com/questions/1004475/jquery-css-plugin-that-returns-computed-style-of-element-to-pseudo-clone-that-el the original css method if that's the case that applies. Otherwise it gets the computed styles of all the listed properties gathered..
jQuery calling click event after taphold event http://stackoverflow.com/questions/10502383/jquery-calling-click-event-after-taphold-event the loop. An easy to create an IIFE is to just use .each . Otherwise your loop would look something like this for var idx in items..
Should all jquery events be bound to $(document)? http://stackoverflow.com/questions/12824549/should-all-jquery-events-be-bound-to-document need event delegation and when you benefit from it. Otherwise you should bind event handlers directly to the objects where..
Why does javascript replace only first instance when using replace? http://stackoverflow.com/questions/1967119/why-does-javascript-replace-only-first-instance-when-using-replace globally date.replace new RegExp g '' or date.replace g '' Otherwise only the first occurrence will be replaced. share improve this..
How can I make a jQuery countdown http://stackoverflow.com/questions/2064186/how-can-i-make-a-jquery-countdown our container's message container.html duration message Otherwise else Clear the countdown interval clearInterval countdown ..
jQuery resize not working at FireFox, Chrome and Safari http://stackoverflow.com/questions/229010/jquery-resize-not-working-at-firefox-chrome-and-safari resize and have that handle calling any other resize code. Otherwise if you're just watching for the DIV to resize when someone resizes..
JQuery: Remove duplicate elements? http://stackoverflow.com/questions/2822962/jquery-remove-duplicate-elements If so we've seen this text before so we remove the link. Otherwise this is a link text we see for the first time. We add it to..
Detect when a window is resized using JavaScript ? http://stackoverflow.com/questions/2996431/detect-when-a-window-is-resized-using-javascript mouse up event when user is resizing the browser window Otherwise Can I detect when a window resize operation is finished I'm..
setTimeout / clearTimeout problems http://stackoverflow.com/questions/3015319/settimeout-cleartimeout-problems question You need to declare timer outside the function. Otherwise you get a brand new variable on each function invocation. var..
Serialize JSON to query string in JavaScript/jQuery http://stackoverflow.com/questions/3308846/serialize-json-to-query-string-in-javascript-jquery when you don't have characters such as and in your data. Otherwise use the second version. I hope that has clarified things. share..
“javascript:void(0);” vs “return false” vs “preventDefault()” http://stackoverflow.com/questions/3498492/javascriptvoid0-vs-return-false-vs-preventdefault that element so the link becomes useful in other contexts. Otherwise for something that is purely an action it would be best to mark..
How can jQuery deferred be used? http://stackoverflow.com/questions/4869609/how-can-jquery-deferred-be-used once before it's returned immediately from the cache. Otherwise an AJAX request fetches the data and adds it to the cache. The..
how to move a div with arrow keys http://stackoverflow.com/questions/4950575/how-to-move-a-div-with-arrow-keys the user holds down the LEFT ARROW key d '37' is true . Otherwise it's false . BTW 37 is the key code for the LEFT ARROW key and..
jQuery function to get all unique elements from an array? http://stackoverflow.com/questions/5381621/jquery-function-to-get-all-unique-elements-from-an-array below is primary don't use the unsupported filter method. Otherwise If Array.prototype.filter Array.prototype.filter function fun..
How to get object length in jQuery http://stackoverflow.com/questions/5533192/how-to-get-object-length-in-jquery Object.keys you can simply do Object.keys a .length Otherwise notably in IE 9 you can loop through the object yourself with..
jQuery in Chrome returns “block” instead of “inline” http://stackoverflow.com/questions/5854463/jquery-in-chrome-returns-block-instead-of-inline And then http www.w3.org TR CSS21 visuren.html#dis pos flo Otherwise if 'float' has a value other than 'none' the box is floated..
Implementing jquery UI autocomplete to show suggestions when you type “@” http://stackoverflow.com/questions/5972958/implementing-jquery-ui-autocomplete-to-show-suggestions-when-you-type 0 results .ui.autocomplete.filter availableTags term Otherwise tell them to start typing else results 'Start typing...' ..
Get cursor or text position in pixels for input element http://stackoverflow.com/questions/6930578/get-cursor-or-text-position-in-pixels-for-input-element method exist. Text ranges are used when they're supported. Otherwise the functionality is achieved using my function logic. Function..
Find object by id in array of javascript objects http://stackoverflow.com/questions/7364150/find-object-by-id-in-array-of-javascript-objects once you can just use result 0 .foo to get the value. Otherwise you should check the length of the resulting array. Example..
how to check whether a port is open at client's network/firewall (solved) http://stackoverflow.com/questions/8937158/how-to-check-whether-a-port-is-open-at-clients-network-firewall-solved this is only available on new browsers like chrome or ff. Otherwise request a server side script which does the ping. For example..
What's the difference in the :not() selector between jQuery and CSS? http://stackoverflow.com/questions/10711730/whats-the-difference-in-the-not-selector-between-jquery-and-css #sectors div.gamma color #362 background color #d4f6c3 I use jQuery to add the unassigned class to sectors that don't otherwise have one of the classes alpha beta or gamma '#sectors div not .alpha .beta .gamma ' .addClass 'unassigned' Then I apply..
What CSS3 selectors does jQuery really support, e.g. :nth-last-child()? http://stackoverflow.com/questions/11745274/what-css3-selectors-does-jquery-really-support-e-g-nth-last-child back to Sizzle. There are a number of scenarios that can cause it to fail The selector is invalid not supported or otherwise cannot be used see the Selectors API spec for details . The document.querySelectorAll method itself is not supported jQuery..
Microsoft CDN for jQuery or Google CDN? http://stackoverflow.com/questions/1447184/microsoft-cdn-for-jquery-or-google-cdn things Google doesn't host jQuery.Validate Microsoft doesn't host jQuery UI Microsoft offers their scripts that would otherwise be served via ScriptResource.axd and an easier integration e.g. ScriptManager with ASP.Net 4.0 . Important Note If you're..
Jquery .on() method not working on dynamic content http://stackoverflow.com/questions/15090942/jquery-on-method-not-working-on-dynamic-content content jquery dynamic content static content share improve this question You have to add the selector parameter otherwise the event is directly bound doesn't work for dynamically loaded content instead of delegated. See http api.jquery.com on..
Preventing click event with jQuery drag and drop http://stackoverflow.com/questions/1771627/preventing-click-event-with-jquery-drag-and-drop actually it doesn't have to be dropped onto a valid target. In the click handler I remove the marker class if present otherwise the click is handled normally. 'your selector' .draggable start function event ui this .addClass 'noclick' 'your selector'..
Simple ASP.NET MVC CRUD views opening/closing in JavaScript UI dialog http://stackoverflow.com/questions/1843894/simple-asp-net-mvc-crud-views-opening-closing-in-javascript-ui-dialog for your modal windows. You want the master page switching logic out of the way and in a custom ViewEngine because otherwise each controller method is going to have to have if else all over the place detecting IsAjaxRequest . I like dry sahara dry...
jQuery - Fire event if CSS class changed http://stackoverflow.com/questions/1950038/jquery-fire-event-if-css-class-changed mySelector .trigger 'cssClassChanged' .... otherSelector .bind 'cssClassChanged' data function do stuff but otherwise no there's no baked in way to fire an event when a class changes. change only fires after focus leaves an input whose input..
Get computed font size for DOM element in JS http://stackoverflow.com/questions/1955048/get-computed-font-size-for-dom-element-in-js font size share improve this question You could try to use the non standard IE element.currentStyle property otherwise you can look for the DOM Level 2 standard getComputedStyle method if available function getStyle el styleProp var camelize..
jQuery single quote in JSON response http://stackoverflow.com/questions/2275359/jquery-single-quote-in-json-response var value ... . However if any of the values contains a single quote properly escaped like ' jQuery fails to parse an otherwise valid JSON string. Here's an example of what I mean done in Chrome's Console Is this normal Is there no way to properly..
Triggering a JavaScript click() event at specific coordinates http://stackoverflow.com/questions/2845178/triggering-a-javascript-click-event-at-specific-coordinates trigger a click at a specific location which is calculated prior to the trigger call . Any way to do this in jQuery or otherwise Thanks javascript jquery click triggers share improve this question Set the pageX and pageY properties which are normalized..
Download File Using Javascript/jQuery http://stackoverflow.com/questions/3749231/download-file-using-javascript-jquery only once which can then be used to download files from the internet. To force the browser to download a file it would otherwise be capable of rendering such as HTML or text files you need the server to set the file's MIME Type to a nonsensical value..
http://stackoverflow.com/questions/4813219/jquery-checkbox-value checkbox value If the checkbox is checked then I only need to get the value as 1 otherwise I need to get it as 0. How do I do this using jquery #ans .val will always give me one right in this case input type checkbox..
Sending multipart/formdata with jQuery.ajax http://stackoverflow.com/questions/5392344/sending-multipart-formdata-with-jquery-ajax It ™s imperative that you set the contentType option to false forcing jQuery not to add a Content Type header for you otherwise the boundary string will be missing from it. Also you must leave the processData flag set to false otherwise jQuery will.. for you otherwise the boundary string will be missing from it. Also you must leave the processData flag set to false otherwise jQuery will try to convert your FormData into a string which will fail. You may now retrieve the file in PHP using _FILES..
Facebook how to check if user has liked page and show content? http://stackoverflow.com/questions/6246449/facebook-how-to-check-if-user-has-liked-page-and-show-content a FQL query on the page_fan table and the meaning is that if the user is a fan of the page it returns the user id and otherwise it returns an empty array after that and depending on the results its show a div or the other. Also there is a working demo..
How to send FormData objects with Ajax-requests in jQuery? http://stackoverflow.com/questions/6974684/how-to-send-formdata-objects-with-ajax-requests-in-jquery
http://stackoverflow.com/questions/704679/parse-html-string-with-jquery it appears your 'data' is already a DOM which means you could just go assuming there's only an img in your DOM otherwise you'll need a more precise selector img data .attr src if you want to access the src attribute. If your data is just text..
AJAX Jquery UI Dialog window loaded within Ajax style Jquery UI Tabs http://stackoverflow.com/questions/809035/ajax-jquery-ui-dialog-window-loaded-within-ajax-style-jquery-ui-tabs true load remote content dialog.load url omit this param object to issue a GET request instead a POST request otherwise you may provide post parameters within the object function responseText textStatus XMLHttpRequest remove the loading class..
How do I hide the tooltip on hover from the title tag when using FancyBox 2.0? http://stackoverflow.com/questions/9610883/how-do-i-hide-the-tooltip-on-hover-from-the-title-tag-when-using-fancybox-2-0 title type 'inside' fancybox ready NOTE the only condition is that the div with the title should follow every anchor otherwise the .next method will fail. You may customize the script though to get the caption from elsewhere in your code regardless..
jQuery CSS plugin that returns computed style of element to pseudo clone that element? http://stackoverflow.com/questions/1004475/jquery-css-plugin-that-returns-computed-style-of-element-to-pseudo-clone-that-el computed style object. As you can see it immediately calls the original css method if that's the case that applies. Otherwise it gets the computed styles of all the listed properties gathered from Firebug's computed style list . Although it's getting..
jQuery calling click event after taphold event http://stackoverflow.com/questions/10502383/jquery-calling-click-event-after-taphold-event referencing the variable that changes each iteration of the loop. An easy to create an IIFE is to just use .each . Otherwise your loop would look something like this for var idx in items function idx ... idx IIFE Immediately Invoked Function Expression...
Should all jquery events be bound to $(document)? http://stackoverflow.com/questions/12824549/should-all-jquery-events-be-bound-to-document some cases not. You should use event delegation when you actually need event delegation and when you benefit from it. Otherwise you should bind event handlers directly to the objects where the event happens as this will generally be more efficient...
Why does javascript replace only first instance when using replace? http://stackoverflow.com/questions/1967119/why-does-javascript-replace-only-first-instance-when-using-replace
How can I make a jQuery countdown http://stackoverflow.com/questions/2064186/how-can-i-make-a-jquery-countdown setInterval function If seconds remain if duration Update our container's message container.html duration message Otherwise else Clear the countdown interval clearInterval countdown And fire the callback passing our container as `this` callback.call..
jQuery resize not working at FireFox, Chrome and Safari http://stackoverflow.com/questions/229010/jquery-resize-not-working-at-firefox-chrome-and-safari JavaScript then you could implement a method to perform the resize and have that handle calling any other resize code. Otherwise if you're just watching for the DIV to resize when someone resizes the window wouldn't it just work to attach the resize..
JQuery: Remove duplicate elements? http://stackoverflow.com/questions/2822962/jquery-remove-duplicate-elements The line if seen txt checks to see if the text is in the set. If so we've seen this text before so we remove the link. Otherwise this is a link text we see for the first time. We add it to the set so that any further links with the same text will be..
Detect when a window is resized using JavaScript ? http://stackoverflow.com/questions/2996431/detect-when-a-window-is-resized-using-javascript ends to resize the browser window In other terms Can I detect mouse up event when user is resizing the browser window Otherwise Can I detect when a window resize operation is finished I'm currently only able to trigger an event when the user start..
setTimeout / clearTimeout problems http://stackoverflow.com/questions/3015319/settimeout-cleartimeout-problems javascript jquery timer settimeout share improve this question You need to declare timer outside the function. Otherwise you get a brand new variable on each function invocation. var timer function endAndStartTimer window.clearTimeout timer..
Serialize JSON to query string in JavaScript/jQuery http://stackoverflow.com/questions/3308846/serialize-json-to-query-string-in-javascript-jquery
“javascript:void(0);” vs “return false” vs “preventDefault()” http://stackoverflow.com/questions/3498492/javascriptvoid0-vs-return-false-vs-preventdefault can also sniff the location.hash on document load to open that element so the link becomes useful in other contexts. Otherwise for something that is purely an action it would be best to mark it up like one input type button or button type button ...
How can jQuery deferred be used? http://stackoverflow.com/questions/4869609/how-can-jquery-deferred-be-used XHR request. Basically if the value has already been requested once before it's returned immediately from the cache. Otherwise an AJAX request fetches the data and adds it to the cache. The .when .then doesn't care about any of this all you need to..
how to move a div with arrow keys http://stackoverflow.com/questions/4950575/how-to-move-a-div-with-arrow-keys information on what key is being pressed. For instance while the user holds down the LEFT ARROW key d '37' is true . Otherwise it's false . BTW 37 is the key code for the LEFT ARROW key and this value is stored in the e.which property of the event..
jQuery function to get all unique elements from an array? http://stackoverflow.com/questions/5381621/jquery-function-to-get-all-unique-elements-from-an-array returned value Array 1 5 6 4 2 3 If supporting IE8 and below is primary don't use the unsupported filter method. Otherwise If Array.prototype.filter Array.prototype.filter function fun scope var T this A i 0 itm L T.length if typeof fun 'function'..
How to get object length in jQuery http://stackoverflow.com/questions/5533192/how-to-get-object-length-in-jquery object share improve this question For browsers supporting Object.keys you can simply do Object.keys a .length Otherwise notably in IE 9 you can loop through the object yourself with a for x in y loop var count 0 var i for i in a if a.hasOwnProperty..
jQuery in Chrome returns “block” instead of “inline” http://stackoverflow.com/questions/5854463/jquery-in-chrome-returns-block-instead-of-inline element generates a block box that is floated to the left. And then http www.w3.org TR CSS21 visuren.html#dis pos flo Otherwise if 'float' has a value other than 'none' the box is floated and 'display' is set according to the table below. To summarize..
Implementing jquery UI autocomplete to show suggestions when you type “@” http://stackoverflow.com/questions/5972958/implementing-jquery-ui-autocomplete-to-show-suggestions-when-you-type If they've typed anything after the @ if term.length 0 results .ui.autocomplete.filter availableTags term Otherwise tell them to start typing else results 'Start typing...' Call the callback with the results response results focus function..
Get cursor or text position in pixels for input element http://stackoverflow.com/questions/6930578/get-cursor-or-text-position-in-pixels-for-input-element The function assumes that the getBoundingClientRect method exist. Text ranges are used when they're supported. Otherwise the functionality is achieved using my function logic. Function logic The code itself contains several comments. This part..
Find object by id in array of javascript objects http://stackoverflow.com/questions/7364150/find-object-by-id-in-array-of-javascript-objects you know that the object is always there and that it only occurs once you can just use result 0 .foo to get the value. Otherwise you should check the length of the resulting array. Example if result.length 0 not found else if result.length 1 access..
how to check whether a port is open at client's network/firewall (solved) http://stackoverflow.com/questions/8937158/how-to-check-whether-a-port-is-open-at-clients-network-firewall-solved side solution it could be possible with websockets but this is only available on new browsers like chrome or ff. Otherwise request a server side script which does the ping. For example with a curl script curl and ping how to check whether a website..
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