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javascript Programming Glossary: yesWhat is the cost of '$(this)'? http://stackoverflow.com/questions/10433014/what-is-the-cost-of-this context.jquery return context rootjQuery .find selector So yes it's expensive but that is only true for selectors If we pass..
How does “this” keyword work within a JavaScript object literal? http://stackoverflow.com/questions/133973/how-does-this-keyword-work-within-a-javascript-object-literal With the Apply Method. Finally every function has a method yes functions are objects in Javascript named apply . Apply lets..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events scalable no meta name apple mobile web app capable content yes meta name apple mobile web app status bar style content black.. scalable no meta name apple mobile web app capable content yes meta name apple mobile web app status bar style content black..
Javascript Post on Form Submit open a new window http://stackoverflow.com/questions/178964/javascript-post-on-form-submit-open-a-new-window 'scrollbars no menubar no height 600 width 800 resizable yes toolbar no status no' javascript html post share improve..
Image resizing client-side with javascript before upload to the server http://stackoverflow.com/questions/2434458/image-resizing-client-side-with-javascript-before-upload-to-the-server side share improve this question The answer to this is yes in HTML 5 you can resize images client side using the canvas..
Is javascript guaranteed to be single-threaded? http://stackoverflow.com/questions/2734025/is-javascript-guaranteed-to-be-single-threaded No more script executes until you dismiss that dialogue yes Nope. Resize the main window and you will get alert in resize..
Is there a RegExp.escape function in Javascript? http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript RegExp.escape function s return s.replace ^ . g ' ' And yes it is a disappointing failing that this is not part of standard..
Is JavaScript 's “new” Keyword Considered Harmful? [closed] http://stackoverflow.com/questions/383402/is-javascript-s-new-keyword-considered-harmful everyone of them used the new keyword... In spite of that yesterday I was watching Douglas Crockford's talk at YUI theater.. can mean a significant savings in time and memory. And yes new has one crucial disadvantage ably described by other answers..
What is the difference between object keys with quotes and without quotes? http://stackoverflow.com/questions/4348478/what-is-the-difference-between-object-keys-with-quotes-and-without-quotes use the quotes. But does it actually make a difference If yes what is it javascript share improve this question No the..
Should setting an image src to data URL be available immediately? http://stackoverflow.com/questions/4776670/should-setting-an-image-src-to-data-url-be-available-immediately setting src is changed still get invoked Safari 5 yes yes Chrome 8 no 1st page load but yes FireFox 3.6 yes.. src is changed still get invoked Safari 5 yes yes Chrome 8 no 1st page load but yes FireFox 3.6 yes thereafter.. Safari 5 yes yes Chrome 8 no 1st page load but yes FireFox 3.6 yes thereafter cached IE8 yes 32kB data..
http://stackoverflow.com/questions/7246618/trailing-commas-in-javascript PropertyNameAndValueList PropertyNameAndValueList So yes it is part of the specification. Update Apparently this is new..
http://stackoverflow.com/questions/9682092/databinding-in-angularjs is atrocious since browsers do not support it natively yes there are proxies but they are not semantically correct in all..
Why avoid increment (“++”) and decrement (“--”) operators in JavaScript? http://stackoverflow.com/questions/971312/why-avoid-increment-and-decrement-operators-in-javascript use of these operators. This has always struck my gut as yes that makes sense but has annoyed me when I've needed a looping..
http://stackoverflow.com/questions/1051782/jquery-this-vs-this javascript jquery this share improve this question Yes you only need when you're using jQuery. If you want jQuery's..
Can you do Desktop Development using JavaScript? http://stackoverflow.com/questions/109399/can-you-do-desktop-development-using-javascript languages desktop platform share improve this question Yes with Adobe AIR . Adobe AIR lets you make desktop applications..
Detect IE version in Javascript http://stackoverflow.com/questions/10964966/detect-ie-version-in-javascript off a few comments that will probably be coming my way 1 Yes I know that users can forge their useragent string. I'm not.. can forge their useragent string. I'm not concerned. 2 Yes I know that programming pros prefer sniffing out feature support.. feature by feature throughout the site would be a waste. 3 Yes I know that someone trying to access the site using IE v1 or..
Memory leak risk in JavaScript closures http://stackoverflow.com/questions/11186750/memory-leak-risk-in-javascript-closures is that you're referencing material which is hugely dated. Yes avoid closures in IE6 as they cause memory leaks but what didn't..
Event detect when css property changed using Jquery http://stackoverflow.com/questions/1397251/event-detect-when-css-property-changed-using-jquery javascript jquery html share improve this question Yes you can. DOM L2 Events module defines mutation events one of..
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 jquery iframe version share improve this question Yes it's doable due to jQuery's noconflict mode. http blog.nemikor.com..
Listening for variable changes in JavaScript or jQuery http://stackoverflow.com/questions/1759987/listening-for-variable-changes-in-javascript-or-jquery events jquery events share improve this question Yes object.watch it's non standard though . Here's my implementation..
How to close current tab in a browser window? http://stackoverflow.com/questions/2076299/how-to-close-current-tab-in-a-browser-window on the window.confirm dialog box will be OK and Cancel not Yes and No . If you really want Yes and No you'll need to create.. will be OK and Cancel not Yes and No . If you really want Yes and No you'll need to create some kind of modal Javascript dialog..
What does “options = options || {}” mean in Javascript? http://stackoverflow.com/questions/2851404/what-does-options-options-mean-in-javascript to value options if exists if not set to empty object. Yes no javascript syntax notation share improve this question..
javascript file upload size validation http://stackoverflow.com/questions/3717793/javascript-file-upload-size-validation validation file upload share improve this question Yes there's a new feature from the W3C that's supported by some..
http://stackoverflow.com/questions/4862193/javascript-global-variables global scope javascript share improve this question Yes there are two differences though in practical terms they're..
How to remove the space between inline-block elements? http://stackoverflow.com/questions/5078239/how-to-remove-the-space-between-inline-block-elements do to solve this problem p span Foo span span Bar span p Yes that's right. I remove the whitespace in the HTML between the..
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 jquery caching this share improve this question Yes definitely use this . A new jQuery object must be constructed..
Can a PDF file's print dialog be opened with Javascript? http://stackoverflow.com/questions/687675/can-a-pdf-files-print-dialog-be-opened-with-javascript javascript pdf printing share improve this question Yes you can... PDFs have Javascript support. I needed to have auto..
Javascript Confirm popup Yes, No button instead of OK and Cancel http://stackoverflow.com/questions/823790/javascript-confirm-popup-yes-no-button-instead-of-ok-and-cancel Confirm popup Yes No button instead of OK and Cancel Javascript Confirm popup.. of OK and Cancel Javascript Confirm popup I want to show Yes No button instead of OK and Cancel. I have used this vbscript..
How can I get the browser's scrollbar sizes? http://stackoverflow.com/questions/986937/how-can-i-get-the-browsers-scrollbar-sizes
Disable vertical bounce effect in an ipad web app http://stackoverflow.com/questions/10761746/disable-vertical-bounce-effect-in-an-ipad-web-app Can't disable bounce with UIScrollView and pagingEnabled YES ipad safari disable scrolling and bounce effect Disable UITableView..
regex.test V.S. string.match to know if a string matches a regular expression http://stackoverflow.com/questions/10940137/regex-test-v-s-string-match-to-know-if-a-string-matches-a-regular-expression . Is the difference is significant The answer once more is YES jsPerf I made shows the difference is ~30 ~60 depends on the..
Javascript get input text value http://stackoverflow.com/questions/11563638/javascript-get-input-text-value FF4b1 Y Y Y Y Y GC Google Chrome GC4 GC5 Y Y Y Y Y Y YES N NO Safari4 Safari5 Y Y Y Y Y Opera10.10 Opera10.53 Y Y Y Y..
forge.facebook.ui callback invoked with null on iOS http://stackoverflow.com/questions/13516726/forge-facebook-ui-callback-invoked-with-null-on-ios 0x9de4680 Key path accessToken Options New NO Old NO Prior YES Context 0x112ad4 Property 0xc9a6fe0 DEBUG NSKeyValueObservance.. Key path expirationDate Options New NO Old NO Prior YES Context 0x112ad4 Property 0xc9a0a60 DEBUG We tried Forge version..
Resizing an iframe based on content http://stackoverflow.com/questions/153152/resizing-an-iframe-based-on-content framed.html helper.html www.foo.com home.html N A YES YES www.bar.net framed.html NO N A YES www.foo.com helper.html.. framed.html helper.html www.foo.com home.html N A YES YES www.bar.net framed.html NO N A YES www.foo.com helper.html YES.. home.html N A YES YES www.bar.net framed.html NO N A YES www.foo.com helper.html YES YES N A framed.html can send..
Detect rotation of Android phone in the browser with javascript http://stackoverflow.com/questions/1649086/detect-rotation-of-android-phone-in-the-browser-with-javascript webkit share improve this question The short answer is YES . To detect an orientation change on an Android browser add..
How to close current tab in a browser window? http://stackoverflow.com/questions/2076299/how-to-close-current-tab-in-a-browser-window should appear asking user to confirm with two buttons YES and NO . If user clicks YES close that page and If NO do nothing... to confirm with two buttons YES and NO . If user clicks YES close that page and If NO do nothing. How can it be done Any..
http://stackoverflow.com/questions/3742590/nsstring-in-uiwebview @ param Use the index... return NO else return YES Inside JS location.href 'myApp param 10' share improve this..
send a notification from javascript in UIWebView to ObjectiveC http://stackoverflow.com/questions/5671742/send-a-notification-from-javascript-in-uiwebview-to-objectivec Return 'NO' to prevent navigation return NO Return 'YES' navigate to requested URL as normal return YES Two important.. NO Return 'YES' navigate to requested URL as normal return YES Two important notes Context navigating to myapp whatever will..
Javascript console.log() in an iOS UIWebView http://stackoverflow.com/questions/6508313/javascript-console-log-in-an-ios-uiwebview
Is it a good idea to learn JavaScript before learning jQuery? [closed] http://stackoverflow.com/questions/668642/is-it-a-good-idea-to-learn-javascript-before-learning-jquery jquery share improve this question An emphatic YES . It won't take as long to learn as you fear and the rewards..
Comparing two arrays in Javascript http://stackoverflow.com/questions/7837456/comparing-two-arrays-in-javascript propName return false If everything passed let's say YES return true However remember that this one is to serve in comparing..
Calling Javascript using UIWebView http://stackoverflow.com/questions/8886443/calling-javascript-using-uiwebview NSDocumentDirectory NSUserDomainMask YES NSString documentsDirectory paths objectAtIndex 0 NSString writablePath..
How can I open an external link in Safari not the app's UIWebView? http://stackoverflow.com/questions/9746260/how-can-i-open-an-external-link-in-safari-not-the-apps-uiwebview in the WebView. Setting OpenAllWhitelistURLsInWebView to YES in Cordova.plist Phongap.plist solves that problem. But I don't..
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