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2014/10/16 ¤W¤È 12:06:16
jquery Programming Glossary: performanceWhat'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 which implements the not extension . If you're anal about performance that's a positively minuscule bonus you'll definitely salivate..
jQuery Mobile: Markup Enhancement of dynamically added content http://stackoverflow.com/questions/14550396/jquery-mobile-markup-enhancement-of-dynamically-added-content affects new nodes appended to a list. This is done for performance reasons. One of a listview high points is a filtering functionality...
Can I use multiple versions of jQuery on the same page? http://stackoverflow.com/questions/1566595/can-i-use-multiple-versions-of-jquery-on-the-same-page a more elegant way to do it not to mention without the performance and complexity penalties of extra iframe s . Thanks in advance..
Why should I use Google's CDN for jQuery? http://stackoverflow.com/questions/2180391/why-should-i-use-googles-cdn-for-jquery site Is it only because it loads faster this way jquery performance cdn share improve this question This is because It increases..
How does this JavaScript/JQuery Syntax work: (function( window, undefined ) { })(window)? http://stackoverflow.com/questions/2716069/how-does-this-javascript-jquery-syntax-work-function-window-undefined is REALLY undefined. The window variable is made local for performance reasons. Because when javascipt looks up a variable it first..
http://stackoverflow.com/questions/4204316/jquery-live-vs-delegate somewhere that delegate is in some cases faster better performance . My question is is there a situation where you should use live.. UPDATE I've set up a simple test to see the difference in performance. I've also added the new .on which is available in jQuery 1.7.. available in jQuery 1.7 The results pretty much sum up the performance issues as stated in the answers. Don't use .live unless your..
http://stackoverflow.com/questions/4579117/jquery-live-vs-delegate somewhere that delegate is in some cases faster better performance . My question is is there a situation where you should use live.. UPDATE I've set up a simple test to see the difference in performance. I've also added the new .on which is available in jQuery 1.7.. available in jQuery 1.7 The results pretty much sum up the performance issues as stated in the answers. Don't use .live unless your..
When to use Vanilla JavaScript vs. jQuery? http://stackoverflow.com/questions/4651923/when-to-use-vanilla-javascript-vs-jquery less and do ... well the same amount. And may also yield performance benefits. A specific example this vs this Inside a click event.. the answers regarding jQuery vs. plain javascript performance I am actually looking for much more quantitative answers. While.. example I gave in my original question. javascript jquery performance share improve this question this.id as you know this.value..
Graph visualization code in JavaScript? http://stackoverflow.com/questions/7034/graph-visualization-code-in-javascript nodes maybe ten at the very upper end so my guess is that performance isn't going to be a big deal. Ideally I'd like to be able to..
Performance of OR operation ( || ) vs inArray() http://stackoverflow.com/questions/10479056/performance-of-or-operation-vs-inarray of OR operation vs inArray Suppose that you want to check what..
Shorthand for multiple OR expressions in if statement http://stackoverflow.com/questions/11127753/shorthand-for-multiple-or-expressions-in-if-statement
CSS Optimization: Element ID vs. Class http://stackoverflow.com/questions/1230636/css-optimization-element-id-vs-class The length of the selector should not be a consideration. Performance readability and maintainability should be. share improve this..
When should I use jQuery's document.ready function? http://stackoverflow.com/questions/13062246/when-should-i-use-jquerys-document-ready-function the .on click handlers always be inside document.ready Performance Is it more performant to keep various javascript jQuery objects..
sort dom elements to order array with jquery http://stackoverflow.com/questions/13149426/sort-dom-elements-to-order-array-with-jquery please . What I really need to do is sort DOM elements. Performance is key in my application as it will be running in very cpu poor..
Performance difference between jQuery's .live('click', fn) and .click(fn) http://stackoverflow.com/questions/1368223/performance-difference-between-jquerys-liveclick-fn-and-clickfn difference between jQuery's .live 'click' fn and .click fn ..
Performance of jQuery.grep vs. Array.filter http://stackoverflow.com/questions/14647470/performance-of-jquery-grep-vs-array-filter of jQuery.grep vs. Array.filter In a question it was discussed..
What is the best way to do loops in JavaScript http://stackoverflow.com/questions/193547/what-is-the-best-way-to-do-loops-in-javascript question I've started using iterators where relevant. Performance is reasonable however more importantly it allows you to encapsulate..
http://stackoverflow.com/questions/2312761/jquery-first-vs-first thing. So when should one be used instead of the other Performance Please provide examples. jquery performance share improve..
Performance of jQuery selector with context http://stackoverflow.com/questions/2421782/performance-of-jquery-selector-with-context of jQuery selector with context I was reading this article..
jQuery fadeIn fadeOut - IE8 does not fade http://stackoverflow.com/questions/2766735/jquery-fadein-fadeout-ie8-does-not-fade gcEmployeeProfileTitle Software Development Lead Server Performance div div class gcEmployeeProfileQuote œYou will find no other..
In jQuery, is selecting by class or id faster than selecting by some other attribute? http://stackoverflow.com/questions/6460644/in-jquery-is-selecting-by-class-or-id-faster-than-selecting-by-some-other-attri return diff script head body h1 jQuery Selector Performance Context vs No Context h1 h2 .someclass h2 span id withoutcontext..
Is $(document).ready necessary if I put all my JavaScript at the bottom of the page? [duplicate] http://stackoverflow.com/questions/6877390/is-document-ready-necessary-if-i-put-all-my-javascript-at-the-bottom-of-the-p that is used to download the file . this book High Performance JavaScript by Nickolas Zakas has a lot of interesting information..
Best Performance + jQuery Ajax + Div Refresh http://stackoverflow.com/questions/7163278/best-performance-jquery-ajax-div-refresh Performance jQuery Ajax Div Refresh Does anyone have good suggestion of..
MVC3 unobtrusive validation: how to remove/re-attach validation from a group of elements? http://stackoverflow.com/questions/7673626/mvc3-unobtrusive-validation-how-to-remove-re-attach-validation-from-a-group-of My question is isn't there a more straightforward way Performance is also an issue in one of those huge forms you can feel the..
Sorting Autocomplete UI Results based on match location http://stackoverflow.com/questions/8302534/sorting-autocomplete-ui-results-based-on-match-location matches that contain the term but don't start with it. Performance could be a problem here especially with the .inArray call. Might..
Performance differences between using “:not” and “.not()” selectors? http://stackoverflow.com/questions/8845811/performance-differences-between-using-not-and-not-selectors differences between using &ldquo not&rdquo and &ldquo .not &rdquo..
jQuery.bind() events on plain Javascript objects http://stackoverflow.com/questions/9099555/jquery-bind-events-on-plain-javascript-objects Object attributes new attributes assigned to the object Performance Some things I have noted Event name must not conflict with a..
Web Forms Tabular Control for this Scenario http://stackoverflow.com/questions/9771381/web-forms-tabular-control-for-this-scenario using dynamically created html table in asp.net 4.0 High Performance Websites http video.yahoo.com watch 1040890 3880720 ASP.NET.. http video.yahoo.com watch 1040890 3880720 ASP.NET Performance Checklist http msdn.microsoft.com en us library ms998596.aspx..
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 instead of falling back to Sizzle jQuery's selector engine which implements the not extension . If you're anal about performance that's a positively minuscule bonus you'll definitely salivate over. It's worth noting that the Selectors 4 spec enhances..
jQuery Mobile: Markup Enhancement of dynamically added content http://stackoverflow.com/questions/14550396/jquery-mobile-markup-enhancement-of-dynamically-added-content jsfiddle.net Gajotres LrAyE Note that the refresh method only affects new nodes appended to a list. This is done for performance reasons. One of a listview high points is a filtering functionality. Unfortunately for some reason jQuery Mobile will fail..
Can I use multiple versions of jQuery on the same page? http://stackoverflow.com/questions/1566595/can-i-use-multiple-versions-of-jquery-on-the-same-page which seems like it might be feasible but I'm hoping there's a more elegant way to do it not to mention without the performance and complexity penalties of extra iframe s . Thanks in advance for any insight javascript jquery iframe version share..
Why should I use Google's CDN for jQuery? http://stackoverflow.com/questions/2180391/why-should-i-use-googles-cdn-for-jquery why should I depend on Google's server to host jQuery for my site Is it only because it loads faster this way jquery performance cdn share improve this question This is because It increases the parallelism available. Most browsers will only download..
How does this JavaScript/JQuery Syntax work: (function( window, undefined ) { })(window)? http://stackoverflow.com/questions/2716069/how-does-this-javascript-jquery-syntax-work-function-window-undefined value . So jQuery creates a local undefined variable that is REALLY undefined. The window variable is made local for performance reasons. Because when javascipt looks up a variable it first goes through the local variables until it finds the variable..
http://stackoverflow.com/questions/4204316/jquery-live-vs-delegate delegate is that live cannot be used in a chain. I also read somewhere that delegate is in some cases faster better performance . My question is is there a situation where you should use live instead of delegate UPDATE I've set up a simple test to.. a situation where you should use live instead of delegate UPDATE I've set up a simple test to see the difference in performance. I've also added the new .on which is available in jQuery 1.7 The results pretty much sum up the performance issues as stated.. in performance. I've also added the new .on which is available in jQuery 1.7 The results pretty much sum up the performance issues as stated in the answers. Don't use .live unless your jQuery version doesn't support .delegate . Don't use .delegate..
http://stackoverflow.com/questions/4579117/jquery-live-vs-delegate delegate is that live cannot be used in a chain. I also read somewhere that delegate is in some cases faster better performance . My question is is there a situation where you should use live instead of delegate UPDATE I've set up a simple test to.. a situation where you should use live instead of delegate UPDATE I've set up a simple test to see the difference in performance. I've also added the new .on which is available in jQuery 1.7 The results pretty much sum up the performance issues as stated.. in performance. I've also added the new .on which is available in jQuery 1.7 The results pretty much sum up the performance issues as stated in the answers. Don't use .live unless your jQuery version doesn't support .delegate . Don't use .delegate..
When to use Vanilla JavaScript vs. jQuery? http://stackoverflow.com/questions/4651923/when-to-use-vanilla-javascript-vs-jquery 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 vs this Inside a click event referencing the clicked objects id jQuery this .attr id Javascript.. jQuery shortcut 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.. use plain javascript instead of using . In addition to the example I gave in my original question. javascript jquery performance share improve this question this.id as you know this.value on most input types. only issues I know are IE when a select..
Graph visualization code in JavaScript? http://stackoverflow.com/questions/7034/graph-visualization-code-in-javascript with graph layout These graphs will usually be just a few nodes maybe ten at the very upper end so my guess is that performance isn't going to be a big deal. Ideally I'd like to be able to hook it in with jQuery so that users can tweak the layout manually..
Performance of OR operation ( || ) vs inArray() http://stackoverflow.com/questions/10479056/performance-of-or-operation-vs-inarray of OR operation vs inArray Suppose that you want to check what input string a user has entered in a form field. Which one..
Shorthand for multiple OR expressions in if statement http://stackoverflow.com/questions/11127753/shorthand-for-multiple-or-expressions-in-if-statement
CSS Optimization: Element ID vs. Class http://stackoverflow.com/questions/1230636/css-optimization-element-id-vs-class
When should I use jQuery's document.ready function? http://stackoverflow.com/questions/13062246/when-should-i-use-jquerys-document-ready-function a bit typically on dynamically created DOM elements . Should the .on click handlers always be inside document.ready Performance Is it more performant to keep various javascript jQuery objects inside or outside document.ready also is the performance..
sort dom elements to order array with jquery http://stackoverflow.com/questions/13149426/sort-dom-elements-to-order-array-with-jquery be a false premise. I've been up for too long give me a break please . What I really need to do is sort DOM elements. Performance is key in my application as it will be running in very cpu poor situations. So what I have is something like this div id..
Performance difference between jQuery's .live('click', fn) and .click(fn) http://stackoverflow.com/questions/1368223/performance-difference-between-jquerys-liveclick-fn-and-clickfn difference between jQuery's .live 'click' fn and .click fn I love the new live event in jQuery 1.3. The question I have..
Performance of jQuery.grep vs. Array.filter http://stackoverflow.com/questions/14647470/performance-of-jquery-grep-vs-array-filter of jQuery.grep vs. Array.filter In a question it was discussed on how jQuery and native JS would perform against each other...
What is the best way to do loops in JavaScript http://stackoverflow.com/questions/193547/what-is-the-best-way-to-do-loops-in-javascript guys use javascript jquery loops macros share improve this question I've started using iterators where relevant. Performance is reasonable however more importantly it allows you to encapsulate the looping logic function createIterator x var i 0..
http://stackoverflow.com/questions/2312761/jquery-first-vs-first a selector. But they can both be used to accomplish the same thing. So when should one be used instead of the other Performance Please provide examples. jquery performance share improve this question .first can be used select the first element..
Performance of jQuery selector with context http://stackoverflow.com/questions/2421782/performance-of-jquery-selector-with-context of jQuery selector with context I was reading this article by Brandon Aaron here about how jquery context may help. So..
jQuery fadeIn fadeOut - IE8 does not fade http://stackoverflow.com/questions/2766735/jquery-fadein-fadeout-ie8-does-not-fade 96 width 190 div div class gcEmployeeProfileName div div class gcEmployeeProfileTitle Software Development Lead Server Performance div div class gcEmployeeProfileQuote œYou will find no other company with the sheer breadth of technologies. The things..
In jQuery, is selecting by class or id faster than selecting by some other attribute? http://stackoverflow.com/questions/6460644/in-jquery-is-selecting-by-class-or-id-faster-than-selecting-by-some-other-attri startTime var n new Date var s n.getTime var diff s startTime return diff script head body h1 jQuery Selector Performance Context vs No Context h1 h2 .someclass h2 span id withoutcontext span ms br br h2 .someclass #somecontainer h2 span id withcontext..
Is $(document).ready necessary if I put all my JavaScript at the bottom of the page? [duplicate] http://stackoverflow.com/questions/6877390/is-document-ready-necessary-if-i-put-all-my-javascript-at-the-bottom-of-the-p affecting the rest of the page aside from the one HTTP connection that is used to download the file . this book High Performance JavaScript by Nickolas Zakas has a lot of interesting information about JavaScript performace optimization. share improve..
Best Performance + jQuery Ajax + Div Refresh http://stackoverflow.com/questions/7163278/best-performance-jquery-ajax-div-refresh Performance jQuery Ajax Div Refresh Does anyone have good suggestion of the best option for jQuery Ajax to refresh a DIV Following..
MVC3 unobtrusive validation: how to remove/re-attach validation from a group of elements? http://stackoverflow.com/questions/7673626/mvc3-unobtrusive-validation-how-to-remove-re-attach-validation-from-a-group-of each field removing and re attaching those validation rules. My question is isn't there a more straightforward way Performance is also an issue in one of those huge forms you can feel the delay between the click and the validation run. javascript..
Sorting Autocomplete UI Results based on match location http://stackoverflow.com/questions/8302534/sorting-autocomplete-ui-results-based-on-match-location matches that start with the term and then concatenate that with matches that contain the term but don't start with it. Performance could be a problem here especially with the .inArray call. Might be a better way to accomplish that portion but hopefully..
Performance differences between using “:not” and “.not()” selectors? http://stackoverflow.com/questions/8845811/performance-differences-between-using-not-and-not-selectors differences between using &ldquo not&rdquo and &ldquo .not &rdquo selectors Are there any speed efficiency differences..
jQuery.bind() events on plain Javascript objects http://stackoverflow.com/questions/9099555/jquery-bind-events-on-plain-javascript-objects no new references created preventing object to GC'ed Object attributes new attributes assigned to the object Performance Some things I have noted Event name must not conflict with a function name on the object e.g. you cannot have function init..
Web Forms Tabular Control for this Scenario http://stackoverflow.com/questions/9771381/web-forms-tabular-control-for-this-scenario control for the above tabular functionality READING paging by using dynamically created html table in asp.net 4.0 High Performance Websites http video.yahoo.com watch 1040890 3880720 ASP.NET Performance Checklist http msdn.microsoft.com en us library.. created html table in asp.net 4.0 High Performance Websites http video.yahoo.com watch 1040890 3880720 ASP.NET Performance Checklist http msdn.microsoft.com en us library ms998596.aspx Efficiently Paging Through Large Amounts of Data C# http www.asp.net..
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