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2014/10/16 ¤W¤È 12:06:28
jquery Programming Glossary: potentiallyWhy define anonymous function and pass it jQuery as the argument? http://stackoverflow.com/questions/10371539/why-define-anonymous-function-and-pass-it-jquery-as-the-argument Backbone code inside of jQuery's DOMReady function and potentially damaging to your application performance. This function does.. browser to get a head start on processing your JavaScript potentially speeding up the user experience. It also makes the code more..
Microsoft CDN for jQuery or Google CDN? http://stackoverflow.com/questions/1447184/microsoft-cdn-for-jquery-or-google-cdn jquery file or any javascript file for that matter. Is one potentially faster than the other What other factors could play a role in..
How to tell if browser/tab is active [duplicate] http://stackoverflow.com/questions/1760250/how-to-tell-if-browser-tab-is-active serves no purpose if the user isn't looking at it and is potentially CPU intensive so I don't want to just waste cycles in the background...
Check if object is a jQuery object http://stackoverflow.com/questions/1853223/check-if-object-is-a-jquery-object the code above works but it's not safe. You could potentially add a selector key to the o and get the same result. Is ther..
JQuery JavaScript Design: Self Executing Function or Object Literal? http://stackoverflow.com/questions/188663/jquery-javascript-design-self-executing-function-or-object-literal similar to the YUI module pattern exposes code that could potentially be called from within presentation code. We want to prevent..
jQuery: select an element's class and id at the same time? http://stackoverflow.com/questions/1944302/jquery-select-an-elements-class-and-id-at-the-same-time can specify a selector that has to match ID and class and potentially tag name and anything else you want to throw in . share improve..
http://stackoverflow.com/questions/2660226/should-one-replace-the-usage-addjsondata-of-jqgrid-to-the-usage-of-setgridparam by jqGrid like error complete and beforeSend events. I see potentially interesting to define dataFilter event to be able to make any..
Checking if browser is in fullscreen [duplicate] http://stackoverflow.com/questions/2863351/checking-if-browser-is-in-fullscreen en DOM window.fullScreen . So you could potentially do something like this if window.fullScreen window.innerWidth..
Trigger a keypress/keydown/keyup event in JS/jQuery? http://stackoverflow.com/questions/3368578/trigger-a-keypress-keydown-keyup-event-in-js-jquery trying to do You should probably also trigger .focus and potentially .change If you want to trigger the key events with specific..
Can anyone explain what JSONP is, in layman terms? http://stackoverflow.com/questions/3839966/can-anyone-explain-what-jsonp-is-in-layman-terms response is that any parse errors in a JSON response can potentially be caught by wrapping the attempt to evaluate the responseText..
Is there a link to the “latest” jQuery library on Google APIs? http://stackoverflow.com/questions/441412/is-there-a-link-to-the-latest-jquery-library-on-google-apis not necessarily a great plan to link your code to potentially changing libraries but useful in development jquery google..
Trying to select script tags from a jQuery ajax get response http://stackoverflow.com/questions/4430707/trying-to-select-script-tags-from-a-jquery-ajax-get-response inserting evaluating the same script which could potentially cause problems if it is within a containing element that you..
How to check if jQuery.ajax() request header Status is “304 Not Modified”? http://stackoverflow.com/questions/5173656/how-to-check-if-jquery-ajax-request-header-status-is-304-not-modified In that case the browser will use its cache headers to potentially get a real 304 response but forward a 200 response to your JavaScript..
Refresh a section after adding HTML dynamically to jquery mobile [duplicate] http://stackoverflow.com/questions/5562461/refresh-a-section-after-adding-html-dynamically-to-jquery-mobile element have jQuery mobile do it's styling thing on it. I potentially need to do that multiple times and that's where the pain happens...
Does using $this instead of $(this) provide a performance enhancement? http://stackoverflow.com/questions/5724400/does-using-this-instead-of-this-provide-a-performance-enhancement my code with this and than inadvertently introducing a potentially difficult to diagnosis bug when I inevitably forget to add the..
How can I change the css class rules using jQuery? http://stackoverflow.com/questions/622122/how-can-i-change-the-css-class-rules-using-jquery PHP or ASP.NET or whatever you like. Of course you could potentially use javascript to save a cookie on the user computer to remember..
http://stackoverflow.com/questions/749084/jquery-map-vs-each you overuse the return value of the map function you can potentially waste a lot of memory. For example var items 1 2 3 4 .each items..
event delegation vs direct binding when adding complex elements to a page http://stackoverflow.com/questions/8827430/event-delegation-vs-direct-binding-when-adding-complex-elements-to-a-page you will be binding to a single root element instead of potentially many more single descendant elements each bind takes time.....
Browser waits for ajax call to complete even after abort has been called (jQuery) http://stackoverflow.com/questions/941889/browser-waits-for-ajax-call-to-complete-even-after-abort-has-been-called-jquery even after abort has been called jQuery I have some potentially long running ajax calls that I would like to abort if the user..
Why define anonymous function and pass it jQuery as the argument? http://stackoverflow.com/questions/10371539/why-define-anonymous-function-and-pass-it-jquery-as-the-argument vs DOMReady In Backbone Code It's bad form to define your Backbone code inside of jQuery's DOMReady function and potentially damaging to your application performance. This function does not get called until the DOM has loaded and is ready to be.. providing some way to reference them you are allowing the browser to get a head start on processing your JavaScript potentially speeding up the user experience. It also makes the code more flexible as you can move things around without having to worry..
Microsoft CDN for jQuery or Google CDN? http://stackoverflow.com/questions/1447184/microsoft-cdn-for-jquery-or-google-cdn Does it actually matter which CDN you use to link to your jquery file or any javascript file for that matter. Is one potentially faster than the other What other factors could play a role in which cdn you decide to use I know that Microsoft Yahoo and..
How to tell if browser/tab is active [duplicate] http://stackoverflow.com/questions/1760250/how-to-tell-if-browser-tab-is-active hasn't minimized the browser or switched to another tab. It serves no purpose if the user isn't looking at it and is potentially CPU intensive so I don't want to just waste cycles in the background. Does anyone know how to tell this in JavaScript Note..
Check if object is a jQuery object http://stackoverflow.com/questions/1853223/check-if-object-is-a-jquery-object console.log 'object is jQuery' doStuff o doStuff e obviously the code above works but it's not safe. You could potentially add a selector key to the o and get the same result. Is ther a better way of making sure that the object actually is a jQuery..
JQuery JavaScript Design: Self Executing Function or Object Literal? http://stackoverflow.com/questions/188663/jquery-javascript-design-self-executing-function-or-object-literal realized that assigning the result of the function execution similar to the YUI module pattern exposes code that could potentially be called from within presentation code. We want to prevent this so this pattern fits. Of course we could have written the..
jQuery: select an element's class and id at the same time? http://stackoverflow.com/questions/1944302/jquery-select-an-elements-class-and-id-at-the-same-time
http://stackoverflow.com/questions/2660226/should-one-replace-the-usage-addjsondata-of-jqgrid-to-the-usage-of-setgridparam one can redefine any parameter of .ajax request sending by jqGrid like error complete and beforeSend events. I see potentially interesting to define dataFilter event to be able to make any modification of the row data returned from the server. One..
Checking if browser is in fullscreen [duplicate] http://stackoverflow.com/questions/2863351/checking-if-browser-is-in-fullscreen question In Firefox 3 window.fullScreen works https developer.mozilla.org en DOM window.fullScreen . So you could potentially do something like this if window.fullScreen window.innerWidth screen.width window.innerHeight screen.height else share..
Trigger a keypress/keydown/keyup event in JS/jQuery? http://stackoverflow.com/questions/3368578/trigger-a-keypress-keydown-keyup-event-in-js-jquery .keypress 'item' .keyup 'item' .blur Does that do what you're trying to do You should probably also trigger .focus and potentially .change If you want to trigger the key events with specific keys you can do so like this function e .Event 'keypress' e.which..
Can anyone explain what JSONP is, in layman terms? http://stackoverflow.com/questions/3839966/can-anyone-explain-what-jsonp-is-in-layman-terms aware of between the handling of a JSON response and a JSONP response is that any parse errors in a JSON response can potentially be caught by wrapping the attempt to evaluate the responseText in a try catch statement . Because of the nature of a JSONP..
Is there a link to the “latest” jQuery library on Google APIs? http://stackoverflow.com/questions/441412/is-there-a-link-to-the-latest-jquery-library-on-google-apis http ajax.googleapis.com ajax libs jquery latest jquery.js Obviously not necessarily a great plan to link your code to potentially changing libraries but useful in development jquery google api share improve this question The jQuery API has a number..
Trying to select script tags from a jQuery ajax get response http://stackoverflow.com/questions/4430707/trying-to-select-script-tags-from-a-jquery-ajax-get-response scripts under certain circumstances. It also avoids repeatedly inserting evaluating the same script which could potentially cause problems if it is within a containing element that you are inserting and then moving around the DOM. share improve..
How to check if jQuery.ajax() request header Status is “304 Not Modified”? http://stackoverflow.com/questions/5173656/how-to-check-if-jquery-ajax-request-header-status-is-304-not-modified information about a resource but your JavaScript code does not. In that case the browser will use its cache headers to potentially get a real 304 response but forward a 200 response to your JavaScript code because JavaScript didn't send any cache information...
Refresh a section after adding HTML dynamically to jquery mobile [duplicate] http://stackoverflow.com/questions/5562461/refresh-a-section-after-adding-html-dynamically-to-jquery-mobile What I want to do is grab that HTML insert it into a div element have jQuery mobile do it's styling thing on it. I potentially need to do that multiple times and that's where the pain happens. When I insert it the 1st time it's all fine jqm picks..
Does using $this instead of $(this) provide a performance enhancement? http://stackoverflow.com/questions/5724400/does-using-this-instead-of-this-provide-a-performance-enhancement two is better one what I was a little fearful of was peppering my code with this and than inadvertently introducing a potentially difficult to diagnosis bug when I inevitably forget to add the this to an event handler. So should I use var this this or..
How can I change the css class rules using jQuery? http://stackoverflow.com/questions/622122/how-can-i-change-the-css-class-rules-using-jquery This would work well with server side technology such as PHP or ASP.NET or whatever you like. Of course you could potentially use javascript to save a cookie on the user computer to remember his choice and use javascript again to include the file..
http://stackoverflow.com/questions/749084/jquery-map-vs-each original array while the map function returns a new array. If you overuse the return value of the map function you can potentially waste a lot of memory. For example var items 1 2 3 4 .each items function alert 'this is ' this var newItems .map items..
event delegation vs direct binding when adding complex elements to a page http://stackoverflow.com/questions/8827430/event-delegation-vs-direct-binding-when-adding-complex-elements-to-a-page binding the events using root element .on event selector since you will be binding to a single root element instead of potentially many more single descendant elements each bind takes time... . That being said you will incur more CPU overhead when the..
Browser waits for ajax call to complete even after abort has been called (jQuery) http://stackoverflow.com/questions/941889/browser-waits-for-ajax-call-to-complete-even-after-abort-has-been-called-jquery waits for ajax call to complete even after abort has been called jQuery I have some potentially long running ajax calls that I would like to abort if the user navigates to another page. The following jQuery code calls..
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