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2014/10/16 ¤W¤È 12:04:23
jquery Programming Glossary: inefficientWhat is the cost of '$(this)'? http://stackoverflow.com/questions/10433014/what-is-the-cost-of-this function is expensive. Calling it repeatedly is extremely inefficient. Well... that is true only for strings selectors which get parsed..
Popups common to all pages in jQuery Mobile site http://stackoverflow.com/questions/12064321/popups-common-to-all-pages-in-jquery-mobile-site for me in the proper places but that seems complex and inefficient. I tried putting the popups outside of the pages and they do..
Should all jquery events be bound to $(document)? http://stackoverflow.com/questions/12824549/should-all-jquery-events-be-bound-to-document is exactly why .live was deprecated because this is very inefficient when you have lots of events bound this way. For delegated event.. because this is what .live did and it proved to be very inefficient. So to achieve optimized performance Only use delegated event..
http://stackoverflow.com/questions/1750973/jeditable-performance-in-ie as editable just in case they might be clicked is rather inefficient relative to making them editable only if they are clicked. ..
How to select a range of elements in jQuery http://stackoverflow.com/questions/185966/how-to-select-a-range-of-elements-in-jquery s and then do run .each over them but that could get very inefficient if there were a lot more a s. javascript jquery share improve..
jQuery UI Datepicker with jQuery tipsy http://stackoverflow.com/questions/2300118/jquery-ui-datepicker-with-jquery-tipsy via datepicker 'setDate' theDate which could be a little inefficient. It relies in a private function of the Datepicker if in future..
http://stackoverflow.com/questions/2575919/genie-animation-javascript using a CSS transformation. It would be horribly inefficient to render and would probably look jerky and flickery as well..
How do I select text nodes with jQuery? http://stackoverflow.com/questions/298750/how-do-i-select-text-nodes-with-jquery in favour of addBack from 1.8 onwards. This is somewhat inefficient compared to pure DOM methods and has to include an ugly workaround..
Efficient, concise way to find next matching sibling? http://stackoverflow.com/questions/4933236/efficient-concise-way-to-find-next-matching-sibling I do that and stick to the published API things get pretty inefficient. For instance a naï ve next loop jQuery.fn.nextMatching..
How to choose a set of unique random numbers (no duplicates) using the jQuery.inArray method? http://stackoverflow.com/questions/5143401/how-to-choose-a-set-of-unique-random-numbers-no-duplicates-using-the-jquery-in used inArray returns a number not true or false inefficient code with a while loop which theoretically could lead to an..
To delay javascript function call using jquery http://stackoverflow.com/questions/5322344/to-delay-javascript-function-call-using-jquery function. Only pass functions to setTimeout using eval is inefficient and hard to debug. setTimeout sample 2000 share improve this..
Increase font size with JavaScript around fixed floated images in CSS columns http://stackoverflow.com/questions/5405789/increase-font-size-with-javascript-around-fixed-floated-images-in-css-columns position .top is reached. But that would be incredibly inefficient and probably slow the rendering down so much it will be unusable...
Using jQuery to determine video file size http://stackoverflow.com/questions/6337182/using-jquery-to-determine-video-file-size on click using the right size. This would be incredibly inefficient. Alternatively you could make a server side script PHP ASP ..... read the video file on every request instead this would be inefficient and would increase the time required to generate the page. If..
Using live() - benefits - similar to bind() http://stackoverflow.com/questions/748076/using-live-benefits-similar-to-bind hundreds of handlers that all do the same thing This is inefficient and can result in slow performance in heavy webapps. With event..
Jquery if scroll is a certain amount of pixels http://stackoverflow.com/questions/8148310/jquery-if-scroll-is-a-certain-amount-of-pixels
How do I retrieve results as multidimensional array from mySQL and PHP? http://stackoverflow.com/questions/8792042/how-do-i-retrieve-results-as-multidimensional-array-from-mysql-and-php the question text id once per each answer which is inefficient. You can use GROUP_CONCAT on the answers but the above will..
Is binding events in jQuery very expensive, or very inexpensive? http://stackoverflow.com/questions/905883/is-binding-events-in-jquery-very-expensive-or-very-inexpensive 'click' function doSomething this false This can get inefficient if you have a large amount of elements. With event delegation..
http://stackoverflow.com/questions/9215237/live-vs-on-method .on ever came around .live was already considered an inefficient way to handle this kind of binding. .delegate was recommended..
What is the cost of '$(this)'? http://stackoverflow.com/questions/10433014/what-is-the-cost-of-this In the jQuery tag info this warning appears The jQuery function is expensive. Calling it repeatedly is extremely inefficient. Well... that is true only for strings selectors which get parsed with regex to find out what are they quickExpr ^ ^# w..
Popups common to all pages in jQuery Mobile site http://stackoverflow.com/questions/12064321/popups-common-to-all-pages-in-jquery-mobile-site hard to maintain. I can probably make my server insert the code for me in the proper places but that seems complex and inefficient. I tried putting the popups outside of the pages and they do not work reliably you can see an example here . I tried dynamically..
Should all jquery events be bound to $(document)? http://stackoverflow.com/questions/12824549/should-all-jquery-events-be-bound-to-document NOT bind all delegated events at the document level. This is exactly why .live was deprecated because this is very inefficient when you have lots of events bound this way. For delegated event handling it is MUCH more efficient to bind them to the.. event selectors. This is exactly why .live is deprecated because this is what .live did and it proved to be very inefficient. So to achieve optimized performance Only use delegated event handling when it actually provides a feature you need or increases..
http://stackoverflow.com/questions/1750973/jeditable-performance-in-ie
How to select a range of elements in jQuery http://stackoverflow.com/questions/185966/how-to-select-a-range-of-elements-in-jquery efficient or pretty. I guess you could also select ALL the a s and then do run .each over them but that could get very inefficient if there were a lot more a s. javascript jquery share improve this question jQuery slice function taking indexes of..
jQuery UI Datepicker with jQuery tipsy http://stackoverflow.com/questions/2300118/jquery-ui-datepicker-with-jquery-tipsy selects a day form the visible month or when you set a date via datepicker 'setDate' theDate which could be a little inefficient. It relies in a private function of the Datepicker if in future versions they decide to change it's functionality or change..
http://stackoverflow.com/questions/2575919/genie-animation-javascript
How do I select text nodes with jQuery? http://stackoverflow.com/questions/298750/how-do-i-select-text-nodes-with-jquery fix this replace addBack with andSelf . andSelf is deprecated in favour of addBack from 1.8 onwards. This is somewhat inefficient compared to pure DOM methods and has to include an ugly workaround for jQuery's overloading of its contents function thanks..
Efficient, concise way to find next matching sibling? http://stackoverflow.com/questions/4933236/efficient-concise-way-to-find-next-matching-sibling it does so... I can always write it and add it although if I do that and stick to the published API things get pretty inefficient. For instance a naï ve next loop jQuery.fn.nextMatching function selector var match match this.next while match.length..
How to choose a set of unique random numbers (no duplicates) using the jQuery.inArray method? http://stackoverflow.com/questions/5143401/how-to-choose-a-set-of-unique-random-numbers-no-duplicates-using-the-jquery-in use variables before declaring them jQuery.inArray being incorrectly used inArray returns a number not true or false inefficient code with a while loop which theoretically could lead to an infinite loop now the second combined with the third is the..
To delay javascript function call using jquery http://stackoverflow.com/questions/5322344/to-delay-javascript-function-call-using-jquery
Increase font size with JavaScript around fixed floated images in CSS columns http://stackoverflow.com/questions/5405789/increase-font-size-with-javascript-around-fixed-floated-images-in-css-columns element forwards one span i.e. word at a time until the correct position .top is reached. But that would be incredibly inefficient and probably slow the rendering down so much it will be unusable. So here is my final demo which is working in Chrome 11..
Using jQuery to determine video file size http://stackoverflow.com/questions/6337182/using-jquery-to-determine-video-file-size calculate the dimensions destroy the video and load it again on click using the right size. This would be incredibly inefficient. Alternatively you could make a server side script PHP ASP ... that reads the video file detects the height and width when.. on every page view. While you could make such a script read the video file on every request instead this would be inefficient and would increase the time required to generate the page. If you're using PHP I'd highly recommend you look at ffmpeg php..
Using live() - benefits - similar to bind() http://stackoverflow.com/questions/748076/using-live-benefits-similar-to-bind img' .click function do something ...would then bind hundreds of handlers that all do the same thing This is inefficient and can result in slow performance in heavy webapps. With event delegation even if you don't plan on adding more images..
Jquery if scroll is a certain amount of pixels http://stackoverflow.com/questions/8148310/jquery-if-scroll-is-a-certain-amount-of-pixels
How do I retrieve results as multidimensional array from mySQL and PHP? http://stackoverflow.com/questions/8792042/how-do-i-retrieve-results-as-multidimensional-array-from-mysql-and-php want after it's json encoded. Note that you will end up selecting the question text id once per each answer which is inefficient. You can use GROUP_CONCAT on the answers but the above will still work almost identically you just have to split the answer..
Is binding events in jQuery very expensive, or very inexpensive? http://stackoverflow.com/questions/905883/is-binding-events-in-jquery-very-expensive-or-very-inexpensive matched element 'div.test' .each function this.addEventListener 'click' function doSomething this false This can get inefficient if you have a large amount of elements. With event delegation you can cut down the amount of bindings done down to one...
http://stackoverflow.com/questions/9215237/live-vs-on-method function ... some function ... It's worth mentioning that before .on ever came around .live was already considered an inefficient way to handle this kind of binding. .delegate was recommended instead and now .on using the delegator syntax . Or as an..
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