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2014/10/16 ¤W¤È 12:04:35
jquery Programming Glossary: jsperfhttp://stackoverflow.com/questions/12004534/backbonejs-rendering-problems inserted into the DOM of the parent. Have a look at this jsperf test comparing different methods of rendering The gist of it.. data http jsfiddle.net nikoshr UeefE Note that the jsperf shows that the template can be be split into subtemplates without..
sort dom elements to order array with jquery http://stackoverflow.com/questions/13149426/sort-dom-elements-to-order-array-with-jquery the best performing solution gets acceptance determined by jsperf . Thanks folks. javascript jquery arrays sorting share improve..
Fastest method for testing a fixed phone number pattern http://stackoverflow.com/questions/16338714/fastest-method-for-testing-a-fixed-phone-number-pattern on jsfiddle along with the test patterns I have a jsperf created where I will add further suggested method so that the..
jquery multidimensional array shuffle random http://stackoverflow.com/questions/16617142/jquery-multidimensional-array-shuffle-random
Check if div with certain class name exists http://stackoverflow.com/questions/5783280/check-if-div-with-certain-class-name-exists
How does jQuery's new on() method compare to the live() method in performance? http://stackoverflow.com/questions/8541825/how-does-jquerys-new-on-method-compare-to-the-live-method-in-performance
What is the cost of '$(this)'? http://stackoverflow.com/questions/10433014/what-is-the-cost-of-this DOMElement this.length 1 return this I did some tests with jsPerf and I found that indeed caching the jQuery object has only a..
Jquery performance: hide() vs is(':visible') - which is faster? http://stackoverflow.com/questions/12312047/jquery-performance-hide-vs-isvisible-which-is-faster
css selectors vs jquery traversal http://stackoverflow.com/questions/16308405/css-selectors-vs-jquery-traversal will win every time. And speed of processing is tantamount jsPerf speed test to show what I mean Although .find will get everything..
What's the difference between jQuery.fn.empty() and jQuery.fn.html('')? http://stackoverflow.com/questions/5723789/whats-the-difference-between-jquery-fn-empty-and-jquery-fn-html is worth far more than processor time. There's already a jsPerf to compare the relative performance http jsperf.com jquery empty..
jQuery - Is it okay to use $('#ElementId') everytime? http://stackoverflow.com/questions/6542646/jquery-is-it-okay-to-use-elementid-everytime is expensive. Cache it. var x '#MyElement' Here's a jsPerf test . In Chrome 13 on Mac OS X the variable reference is over..
Why is jQuery.ready recommended when it?™s so slow? http://stackoverflow.com/questions/9557846/why-is-jquery-ready-recommended-when-its-so-slow I ™m also wondering since there is so much fuzz about jsPerf and optimizing selectors for a couple of ms per 10000 executions..
http://stackoverflow.com/questions/12004534/backbonejs-rendering-problems to the subviews can be costly their HTML fragments have to be inserted into the DOM of the parent. Have a look at this jsperf test comparing different methods of rendering The gist of it is that generating the complete HTML structure and then applying.. _.template '#tpl table' .html collection new Backbone.Collection data http jsfiddle.net nikoshr UeefE Note that the jsperf shows that the template can be be split into subtemplates without too much penalty which would allow you to provide a partial..
sort dom elements to order array with jquery http://stackoverflow.com/questions/13149426/sort-dom-elements-to-order-array-with-jquery is not so. Again I will upvote any working solution. And the best performing solution gets acceptance determined by jsperf . Thanks folks. javascript jquery arrays sorting share improve this question I would just iterate over the order array..
Fastest method for testing a fixed phone number pattern http://stackoverflow.com/questions/16338714/fastest-method-for-testing-a-fixed-phone-number-pattern else if code 45 return false i 1 return true It is available on jsfiddle along with the test patterns I have a jsperf created where I will add further suggested method so that the execution speeds of the methods can be compared to determine..
jquery multidimensional array shuffle random http://stackoverflow.com/questions/16617142/jquery-multidimensional-array-shuffle-random
Check if div with certain class name exists http://stackoverflow.com/questions/5783280/check-if-div-with-certain-class-name-exists
How does jQuery's new on() method compare to the live() method in performance? http://stackoverflow.com/questions/8541825/how-does-jquerys-new-on-method-compare-to-the-live-method-in-performance
What is the cost of '$(this)'? http://stackoverflow.com/questions/10433014/what-is-the-cost-of-this this.context this 0 selector Selector here is a DOMElement this.length 1 return this I did some tests with jsPerf and I found that indeed caching the jQuery object has only a little effect In Chrome it's only 7 slower. In IE it's a little..
Jquery performance: hide() vs is(':visible') - which is faster? http://stackoverflow.com/questions/12312047/jquery-performance-hide-vs-isvisible-which-is-faster
css selectors vs jquery traversal http://stackoverflow.com/questions/16308405/css-selectors-vs-jquery-traversal selectors share improve this question Yup. Speed. .find will win every time. And speed of processing is tantamount jsPerf speed test to show what I mean Although .find will get everything that is a subordinate children children of children children..
What's the difference between jQuery.fn.empty() and jQuery.fn.html('')? http://stackoverflow.com/questions/5723789/whats-the-difference-between-jquery-fn-empty-and-jquery-fn-html &mdash it's used because it's written faster. Developer time is worth far more than processor time. There's already a jsPerf to compare the relative performance http jsperf.com jquery empty vs html . Every single test case shows that .empty is faster...
jQuery - Is it okay to use $('#ElementId') everytime? http://stackoverflow.com/questions/6542646/jquery-is-it-okay-to-use-elementid-everytime variables selector share improve this question DOM selection is expensive. Cache it. var x '#MyElement' Here's a jsPerf test . In Chrome 13 on Mac OS X the variable reference is over 1 000 times faster. This is not only due to the DOM selection..
Why is jQuery.ready recommended when it?™s so slow? http://stackoverflow.com/questions/9557846/why-is-jquery-ready-recommended-when-its-so-slow sites and we never run into any problems. It ™s just a lot faster. I ™m also wondering since there is so much fuzz about jsPerf and optimizing selectors for a couple of ms per 10000 executions how come there is not much talk about this It ™s basically..
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