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2014/10/16 ¤W¤È 12:09:22
jquery Programming Glossary: thatConvert form data to JS object with jQuery http://stackoverflow.com/questions/1184624/convert-form-data-to-js-object-with-jquery this question serializeArray already does exactly that you just need to massage the data into your required format..
event.preventDefault() vs. return false http://stackoverflow.com/questions/1357118/event-preventdefault-vs-return-false event from bubbling up and return false will do both. Note that this behaviour differs from normal non jQuery event handlers..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events can be a very subtle bug. On some systems it may appear that it works fine but on others it may cause erratic difficult to.. role footer data position fixed div div To execute a code that will only available to the index page we could use this syntax.. take a look at an official documentation you will find out that pageinit will trigger ONLY once just like document ready so..
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 start using AngularJS. Can you describe the paradigm shift that is necessary Here are a few questions that might help you frame.. paradigm shift that is necessary Here are a few questions that might help you frame an answer How do I architect and design.. designed for augmentation and has grown incredibly from that simple premise. But in AngularJS you must start from the ground..
How can I upload files asynchronously with jQuery? http://stackoverflow.com/questions/166221/how-can-i-upload-files-asynchronously-with-jquery you CAN make file uploads with Ajax and jQuery. Not only that you can do file validations name size and MIME type or handle..
Event binding on dynamically created elements? http://stackoverflow.com/questions/203198/event-binding-on-dynamically-created-elements on page ready and works just fine. The problem I have is that any select boxes I add via Ajax or DOM after the initial loop..
http://stackoverflow.com/questions/3506208/jquery-ajax-cross-domain jQuery will pass it's own callback name so you need to get that from the GET params. And as Stefan Kendall posted .getJSON is..
Abort Ajax requests using jQuery http://stackoverflow.com/questions/446594/abort-ajax-requests-using-jquery Using jQuery how can I cancel abort an Ajax request that I have not yet received the response from javascript jquery..
http://stackoverflow.com/questions/476679/preloading-images-with-jquery way to preload images with JavaScript. I'm using jQuery if that's important. I saw this here http nettuts.com... function complexLoad.. for what I want I know there are jQuery plugins out there that do this but they all seem a bit big in size I just need a quick..
http://stackoverflow.com/questions/5874652/prop-vs-attr but the prop as a CSSStyleDeclaration Why And how does that affect my coding in the future javascript jquery dom attr prop.. Not so good for the bazillions of sites using jQuery that will break as a result of this change though. I'll summarize.. simpler to deal with than attributes consider a checkbox that is initially checked. Here are two possible pieces of valid..
How can I get query string values in JavaScript? http://stackoverflow.com/questions/901115/how-can-i-get-query-string-values-in-javascript share improve this question You don't need jQuery for that purpose. You can use vanilla JavaScript function getParameterByName..
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 writing so jQuery still has kind of the upper hand here. That shouldn't be much of a problem though IMO as you should rarely..
How to know if a font (@font-face) has already been loaded? http://stackoverflow.com/questions/12312323/how-to-know-if-a-font-font-face-has-already-been-loaded ™t left without content if the custom font fails to load. That ™s just bad usability. I have also added greater control over..
In jQuery, how to attach events to dynamic html elements? http://stackoverflow.com/questions/1359018/in-jquery-how-to-attach-events-to-dynamic-html-elements myclass href # test2 a a class myclass href # test3 a That works with no problem. However consider if the myclass elements..
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 Browsers parse and process the HTML from top to bottom. That means that any call to a DOM element which occurs before that..
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 is trying to do jQuery in the context of AngularJS. That's never going to work well. The view is the official record... a template it should also respect separation of concerns. That is the template too should remain largely independent from its..
Choosing and activating the right controls on an AJAX-driven site http://stackoverflow.com/questions/15048223/choosing-and-activating-the-right-controls-on-an-ajax-driven-site what we need to trigger. For example for that node I see That link has no href nor does it listen for click events. In this..
How to expose IFrame's DOM using jQuery? http://stackoverflow.com/questions/1654017/how-to-expose-iframes-dom-using-jquery Hey.. I have a prototype representing a particual IFrame. That prototype have a function called GoToUrl ... that opens the..
AJAX request callback using jQuery http://stackoverflow.com/questions/17973386/ajax-request-callback-using-jquery Setting up a separate PHP script to receive my AJAX call That was what I did originally and it works just fine. However I..
Check if an image is loaded (no errors) in JavaScript http://stackoverflow.com/questions/1977871/check-if-an-image-is-loaded-no-errors-in-javascript loaded AFTER I add a load and error event on the image. That way if the image was loaded before the events were registered..
http://stackoverflow.com/questions/2194992/jquery-is-not-defined asp.net mvc asp.net mvc 2 share improve this question That error can only be caused by one of three things Your JavaScript..
jQueryUI: how can I custom-format the Autocomplete plug-in results? http://stackoverflow.com/questions/2435964/jqueryui-how-can-i-custom-format-the-autocomplete-plug-in-results a regexp obj created for every item rendered in the list. That regexp obj ought to be re used for all items. there's no css..
How can I convince IE to simply display application/json rather than offer to download it? http://stackoverflow.com/questions/2483771/how-can-i-convince-ie-to-simply-display-application-json-rather-than-offer-to-do this into the address bar view source http myserver MyUrl That emits Application json This pseudo protocol used to be supported..
http://stackoverflow.com/questions/2681466/jsonp-with-jquery html Notice the callback at the end of the requested URL. That indicates to the getJSON function that we want to use JSONP...
Using jQuery, Restricting File Size Before Uploading http://stackoverflow.com/questions/307679/using-jquery-restricting-file-size-before-uploading bytes can pass through that AJAX stream up to the server That could permit me to check that file size and return an error..
navigator.geolocation.getCurrentPosition sometimes works sometimes doesn't http://stackoverflow.com/questions/3397585/navigator-geolocation-getcurrentposition-sometimes-works-sometimes-doesnt the default timeout for getCurrentPosition is infinite . That means that your error handler will never be called if getCurrentPosition..
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 allow cross domain XMLHttpRequest if the server OKed it. That's where the Access Control Allow Origin header came in. I believe.. to jsonp if it sees the substring callback in the URL. That solved the second by no longer trying to perform a CORS request..
Wait until all jquery ajax request are done? http://stackoverflow.com/questions/3709597/wait-until-all-jquery-ajax-request-are-done and executes a function when all of them resolve. That means if you want to initiate for example four ajax requests..
Can the jQuery UI Datepicker be made to disable Saturdays and Sundays (and holidays)? http://stackoverflow.com/questions/501943/can-the-jquery-ui-datepicker-be-made-to-disable-saturdays-and-sundays-and-holid already set the date range to be only for the next month. That works fine. I want to exclude Saturdays and Sundays from the..
Origin null is not allowed by Access-Control-Allow-Origin http://stackoverflow.com/questions/8456538/origin-null-is-not-allowed-by-access-control-allow-origin a simple web server and test via http URLs instead. That gives you a much more accurate security picture. share improve..
http://stackoverflow.com/questions/970388/jquery-disable-a-link e e.preventDefault do other stuff when a click happens That will prevent the default behaviour of a hyperlink which is to..
Convert form data to JS object with jQuery http://stackoverflow.com/questions/1184624/convert-form-data-to-js-object-with-jquery .serializeArray jquery json serialization share improve this question serializeArray already does exactly that you just need to massage the data into your required format .fn.serializeObject function var o var a this.serializeArray..
event.preventDefault() vs. return false http://stackoverflow.com/questions/1357118/event-preventdefault-vs-return-false event from occuring e.stopPropagation will prevent the event from bubbling up and return false will do both. Note that this behaviour differs from normal non jQuery event handlers in which notably return false does not stop the event from..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events page manipulation will be executed after a page refresh. This can be a very subtle bug. On some systems it may appear that it works fine but on others it may cause erratic difficult to repeat weirdness to occur. Classic jQuery syntax document.. id test button Test button a div div data theme a data role footer data position fixed div div To execute a code that will only available to the index page we could use this syntax '#index' .on 'pageinit' function Pageinit event will be executed.. solution would be to use pageinit to bind events. If you take a look at an official documentation you will find out that pageinit will trigger ONLY once just like document ready so there's no way events will be bound again. This is best solution..
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 client side applications in jQuery but now I'd like to start using AngularJS. Can you describe the paradigm shift that is necessary Here are a few questions that might help you frame an answer How do I architect and design client side web.. now I'd like to start using AngularJS. Can you describe the paradigm shift that is necessary Here are a few questions that might help you frame an answer How do I architect and design client side web applications differently What is the biggest.. page and then you make it dynamic. This is because jQuery was designed for augmentation and has grown incredibly from that simple premise. But in AngularJS you must start from the ground up with your architecture in mind. Instead of starting by..
How can I upload files asynchronously with jQuery? http://stackoverflow.com/questions/166221/how-can-i-upload-files-asynchronously-with-jquery upload share improve this question With HTML5 you CAN make file uploads with Ajax and jQuery. Not only that you can do file validations name size and MIME type or handle the progress event with the HTML5 progress tag or a div ...
Event binding on dynamically created elements? http://stackoverflow.com/questions/203198/event-binding-on-dynamically-created-elements of twiddling with their width on mouseon off. This happens on page ready and works just fine. The problem I have is that any select boxes I add via Ajax or DOM after the initial loop won't have the event bound. I have found this plugin jQuery..
http://stackoverflow.com/questions/3506208/jquery-ajax-cross-domain need to output callbackName 'jsonString' notice the quotes. jQuery will pass it's own callback name so you need to get that from the GET params. And as Stefan Kendall posted .getJSON is a shorthand method but then you need to append 'callback '..
Abort Ajax requests using jQuery http://stackoverflow.com/questions/446594/abort-ajax-requests-using-jquery Ajax requests using jQuery Using jQuery how can I cancel abort an Ajax request that I have not yet received the response from javascript jquery ajax share improve this question Most of the jQuery Ajax..
http://stackoverflow.com/questions/476679/preloading-images-with-jquery images with jQuery I'm looking for a quick and easy way to preload images with JavaScript. I'm using jQuery if that's important. I saw this here http nettuts.com... function complexLoad config fileNames for var x 0 x fileNames.length x.. .css display none But it looks a bit over the top for what I want I know there are jQuery plugins out there that do this but they all seem a bit big in size I just need a quick easy and short way of preloading images javascript jquery..
http://stackoverflow.com/questions/5874652/prop-vs-attr logs the getAttribute as a string and the attr as a string but the prop as a CSSStyleDeclaration Why And how does that affect my coding in the future javascript jquery dom attr prop share improve this question Update 1 November 2012 My.. change although it is definitely an improvement conceptually. Not so good for the bazillions of sites using jQuery that will break as a result of this change though. I'll summarize the main issues You usually want prop rather than attr . In.. on element properties . As an example of how properties are simpler to deal with than attributes consider a checkbox that is initially checked. Here are two possible pieces of valid HTML to do this input id cb type checkbox checked input id cb..
How can I get query string values in JavaScript? http://stackoverflow.com/questions/901115/how-can-i-get-query-string-values-in-javascript which can do so javascript jquery url plugins query string share improve this question You don't need jQuery for that purpose. You can use vanilla JavaScript function getParameterByName name name name.replace .replace var regex new RegExp..
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 allow combinators as shown in point 3 at least not as of this writing so jQuery still has kind of the upper hand here. That shouldn't be much of a problem though IMO as you should rarely ever need to use combinators within the not selector but..
How to know if a font (@font-face) has already been loaded? http://stackoverflow.com/questions/12312323/how-to-know-if-a-font-font-face-has-already-been-loaded or not. A fail safe timer has been added so the user isn ™t left without content if the custom font fails to load. That ™s just bad usability. I have also added greater control over what happens during font loading and on fail with the inclusion..
In jQuery, how to attach events to dynamic html elements? http://stackoverflow.com/questions/1359018/in-jquery-how-to-attach-events-to-dynamic-html-elements html might be as follows a class myclass href # test1 a a class myclass href # test2 a a class myclass href # test3 a That works with no problem. However consider if the myclass elements were written to the page at some future time. For example..
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 you call getElementById . The latter case is quite common. Browsers parse and process the HTML from top to bottom. That means that any call to a DOM element which occurs before that DOM element appears in the HTML will fail. Consider the following..
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 half AngularJS and no good. The problem here is that the developer is trying to do jQuery in the context of AngularJS. That's never going to work well. The view is the official record. Outside of a directive more on this below you never ever never.. basically done. But if a directive is like a widget and has a template it should also respect separation of concerns. That is the template too should remain largely independent from its implementation in the link and controller functions. AngularJS..
Choosing and activating the right controls on an AJAX-driven site http://stackoverflow.com/questions/15048223/choosing-and-activating-the-right-controls-on-an-ajax-driven-site events are attached to what which is crucial when determining what we need to trigger. For example for that node I see That link has no href nor does it listen for click events. In this case we must trigger a mousedown or keydown . ~~~~~~~~~~~~~..
How to expose IFrame's DOM using jQuery? http://stackoverflow.com/questions/1654017/how-to-expose-iframes-dom-using-jquery to expose IFrame's DOM using jQuery Hey.. I have a prototype representing a particual IFrame. That prototype have a function called GoToUrl ... that opens the given url within the IFrame. My question is How do I create..
AJAX request callback using jQuery http://stackoverflow.com/questions/17973386/ajax-request-callback-using-jquery HTML but then I'm echoing HTML and I'd rather not do that. Setting up a separate PHP script to receive my AJAX call That was what I did originally and it works just fine. However I am interested in keeping everything inside one file and wanted..
Check if an image is loaded (no errors) in JavaScript http://stackoverflow.com/questions/1977871/check-if-an-image-is-loaded-no-errors-in-javascript extra detail below I'm checking if an image is complete aka loaded AFTER I add a load and error event on the image. That way if the image was loaded before the events were registered I will still know. If the image isn't loaded after the events..
http://stackoverflow.com/questions/2194992/jquery-is-not-defined i have checked and checked again please advise jquery html asp.net mvc asp.net mvc 2 share improve this question That error can only be caused by one of three things Your JavaScript file is not being properly loaded into your page You have..
jQueryUI: how can I custom-format the Autocomplete plug-in results? http://stackoverflow.com/questions/2435964/jqueryui-how-can-i-custom-format-the-autocomplete-plug-in-results a t a .appendTo ul Now this is a hack because there's a regexp obj created for every item rendered in the list. That regexp obj ought to be re used for all items. there's no css class used for the formatting of the completed part. It's an..
How can I convince IE to simply display application/json rather than offer to download it? http://stackoverflow.com/questions/2483771/how-can-i-convince-ie-to-simply-display-application-json-rather-than-offer-to-do just use the view source pseudo protocol. Enter a URL like this into the address bar view source http myserver MyUrl That emits Application json This pseudo protocol used to be supported in IE also until WinXP sp2 when Microsoft disabled it or..
http://stackoverflow.com/questions/2681466/jsonp-with-jquery tweets i #tweet list .append tweet.text hr script body html Notice the callback at the end of the requested URL. That indicates to the getJSON function that we want to use JSONP. Remove it and a vanilla JSON request will be used. Which will..
Using jQuery, Restricting File Size Before Uploading http://stackoverflow.com/questions/307679/using-jquery-restricting-file-size-before-uploading if perhaps there's a restriction where I can set how many bytes can pass through that AJAX stream up to the server That could permit me to check that file size and return an error if the file is too big. By doing this on the client side it..
navigator.geolocation.getCurrentPosition sometimes works sometimes doesn't http://stackoverflow.com/questions/3397585/navigator-geolocation-getcurrentposition-sometimes-works-sometimes-doesnt answer but alas not a complete one. First of all realise that the default timeout for getCurrentPosition is infinite . That means that your error handler will never be called if getCurrentPosition hangs somewhere on the back end. To ensure that..
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 your browser supported CORS Cross Origin Resource Sharing to allow cross domain XMLHttpRequest if the server OKed it. That's where the Access Control Allow Origin header came in. I believe you mentioned you were running it from a file URL. There.. magic to change the request type from its default of json to jsonp if it sees the substring callback in the URL. That solved the second by no longer trying to perform a CORS request from a file URL. To clarify for other people here are the..
Wait until all jquery ajax request are done? http://stackoverflow.com/questions/3709597/wait-until-all-jquery-ajax-request-are-done jQuery.when It accepts any number of Deferred objects as arguments and executes a function when all of them resolve. That means if you want to initiate for example four ajax requests then perform an action when they are done you could do something..
Can the jQuery UI Datepicker be made to disable Saturdays and Sundays (and holidays)? http://stackoverflow.com/questions/501943/can-the-jquery-ui-datepicker-be-made-to-disable-saturdays-and-sundays-and-holid I use a datepicker for choosing an appointment day. I already set the date range to be only for the next month. That works fine. I want to exclude Saturdays and Sundays from the available choices. Can this be done If so how javascript jquery..
Origin null is not allowed by Access-Control-Allow-Origin http://stackoverflow.com/questions/8456538/origin-null-is-not-allowed-by-access-control-allow-origin
http://stackoverflow.com/questions/970388/jquery-disable-a-link share improve this question '#myLink' .click function e e.preventDefault do other stuff when a click happens That will prevent the default behaviour of a hyperlink which is to visit the specified href. From the jQuery tutorial For click..
How to use jQuery click event to change href value asyncronously, based on a JSON query http://stackoverflow.com/questions/1629285/how-to-use-jquery-click-event-to-change-href-value-asyncronously-based-on-a-jso this question As you outlined yourself event.preventDefault stop the click action That means BROWSER IS NOT GOING TO THAT URL if you wish to actually go forward to the long url location simply do something like document.location.href longurl..
jQuery - jqGrid - undesired behavior in onSelectRow event http://stackoverflow.com/questions/16815395/jquery-jqgrid-undesired-behavior-in-onselectrow-event deactivates row 2 buttons activates row 3 buttons and change my mind again click row 1 or 2 doesn't matter and at THAT point then click the Re Send submit button what happens is that the selected row is then re sent 3 separate times. Following..
jquery loop on Json data using $.each http://stackoverflow.com/questions/2342371/jquery-loop-on-json-data-using-each loop on Json data using .each Hi I have the following JSON returned in a variable called data. THIS IS THE JSON THAT GETS RETURNED... Id 10004 PageName club Id 10040 PageName qaz Id 10059 PageName jjjjjjj and I am trying to loop through..
$(this) OR event.target OR var input = $(this) http://stackoverflow.com/questions/3388019/this-or-event-target-or-var-input-this has to search the whole DOM again from scratch to find what it's already found once '#a_button' .click function I KNOW THAT THIS IS NAUGHTY var buttonValue '#a_button' .val '#a_button' .addClass 'button_has_been_clicked' Currently I'm using either.. 'event.target' multiple times '#a_button' .click function event USING A LOCAL VARIABLE var thisButton this OR SHOULD THAT BE var thisButton event.target var buttonValue thisButton.val thisButton.addClass 'button_has_been_clicked' I understand..
http://stackoverflow.com/questions/8671052/jqgrid-resize-and-overlay position 'right' #myjqgrid .jqGrid 'gridResize' minWidth 800 maxWidth 1405 minHeight 350 maxHeight 680 PROBLEM THAT I AM HAVING the pagination works fine when I resize the grid if I don't change the CSS if I change the CSS FROM .ui jqgrid..
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