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javascript Programming Glossary: slowerWhere should I declare JavaScript files used in my page? In <head></head> or near </body>? http://stackoverflow.com/questions/1013112/where-should-i-declare-javascript-files-used-in-my-page-in-head-head-or-nea often you're better off having the page load slightly slower by putting scripts at the top if you don't get disconcerting..
What is the cost of '$(this)'? http://stackoverflow.com/questions/10433014/what-is-the-cost-of-this object has only a little effect In Chrome it's only 7 slower. In IE it's a little bit more significant 12 share improve..
JavaScript string concatenation http://stackoverflow.com/questions/112158/javascript-string-concatenation 8 does not show the same degradation. What's more IE gets slower and slower the longer your string is. If you have long strings.. show the same degradation. What's more IE gets slower and slower the longer your string is. If you have long strings to concatenate..
How can I pass a parameter to a setTimeout() callback? http://stackoverflow.com/questions/1190642/how-can-i-pass-a-parameter-to-a-settimeout-callback as a 'function' when using setTimeout or setInterval it's slower because it has to be evaluated and it just isn't right. share..
Cross-browser onload event and the Back button http://stackoverflow.com/questions/158319/cross-browser-onload-event-and-the-back-button whether you really need to do this and make your page load slower for your users. Can't believe it Try this body onunload This..
http://stackoverflow.com/questions/2095697/unzip-files-using-javascript faster than this now in IE9 and in Chrome. It is still slower than a compiled progran but it is plenty fast for normal browser..
Is JavaScript 's “new” Keyword Considered Harmful? [closed] http://stackoverflow.com/questions/383402/is-javascript-s-new-keyword-considered-harmful each object with separate properties for each method. On slower machines or especially slower JS interpreters when many objects.. for each method. On slower machines or especially slower JS interpreters when many objects being created this can mean..
Refresh a Div that has a Google ad inside it http://stackoverflow.com/questions/435391/refresh-a-div-that-has-a-google-ad-inside-it That's clearly a worse experience for your users it's slower the page flashes on every click the page can't dynamically update..
Adding a parameter to the URL with JavaScript http://stackoverflow.com/questions/486896/adding-a-parameter-to-the-url-with-javascript I benchmarked against for completions sake approx 150 slower function insertParam2 key value key encodeURI key value encodeURI..
Should Github be used as a CDN for javascript libraries? [closed] http://stackoverflow.com/questions/5502540/should-github-be-used-as-a-cdn-for-javascript-libraries your JavaScript. In fact using GitHub as a CDN will be slower than simply hosting the files on your own server after each..
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 reuse. A performance test shows that this is significantly slower than this . However as both are performing millions of operations..
http://stackoverflow.com/questions/5882716/html5-canvas-vs-svg-vs-div And SVG is faster when rendering really large objects but slower when rendering many objects. A game would probably be faster..
Chrome: timeouts/interval suspended in background tabs? http://stackoverflow.com/questions/6032429/chrome-timeouts-interval-suspended-in-background-tabs It looks like the timeouts have been running a lot slower. Tested in FF4 or IE9 this didn't occur. So it looks like Chrome..
Why is string concatenation faster than array join? http://stackoverflow.com/questions/7299010/why-is-string-concatenation-faster-than-array-join Beginning with version 1.0 the array technique is actually slower than using the plus operator in all cases. Other browsers have..
Why is arr = [] faster than arr = new Array? http://stackoverflow.com/questions/7375120/why-is-arr-faster-than-arr-new-array call and the rule of thumb is that function calls are slower during execution hence why static C C compilers allow function..
Can I load an entire HTML document into a document fragment in Internet Explorer? http://stackoverflow.com/questions/7474710/can-i-load-an-entire-html-document-into-a-document-fragment-in-internet-explorer activeXObject . According to this source htmlfile is slower than IFrames and more susceptible to memory leaks. All affected..
http://stackoverflow.com/questions/832257/javascript-multiple-replace admit somewhat more complex and as an upshot of that a tad slower too var regText the cat looks like a cat .replace ^ ^a z ^a..
Javascript : remove accents in strings http://stackoverflow.com/questions/990904/javascript-remove-accents-in-strings on Windows 8 64 bit Using Regexp 4 558 ops sec ±4.16 . 37 slower String Builder style 7 308 ops sec ±4.88 . fastest share improve..
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