javascript Programming Glossary: heCrockford's Prototypal inheritance - Issues with nested objects http://stackoverflow.com/questions/10131052/crockfords-prototypal-inheritance-issues-with-nested-objects Prototypal inheritance Issues with nested objects I've been reading Javascript.. Issues with nested objects I've been reading Javascript The Good Parts by Douglas Crockford and while it's a bit extreme.. while it's a bit extreme I'm on board with a lot of what he has to say. In chapter 3 he discusses objects and at one point..
JavaScript for detecting browser language preference http://stackoverflow.com/questions/1043339/javascript-for-detecting-browser-language-preference browser language preference I have been trying to detect the browser language preference using JavaScript. If I set the browser.. browser language preference using JavaScript. If I set the browser language in IE in Tools Internet Options General Languages.. Same problem for Firefox. I'm not able to detect the setting for tools options content languages using navigator.language..
Inserting a text where cursor is using Javascript/jquery http://stackoverflow.com/questions/1064089/inserting-a-text-where-cursor-is-using-javascript-jquery a text where cursor is using Javascript jquery I have a page with a lot.. Javascript jquery I have a page with a lot of textboxes. When someone clicks a link i want a word or two to be inserted where.. someone clicks a link i want a word or two to be inserted where the cursor is or appended to the textbox which has the focus...
Memory leak risk in JavaScript closures http://stackoverflow.com/questions/11186750/memory-leak-risk-in-javascript-closures leak risk in JavaScript closures Solved There's a lot of contradictory information on the web regarding.. Solved There's a lot of contradictory information on the web regarding this subject. Thanks to @John I managed to work.. this subject. Thanks to @John I managed to work out that the closures as used below aren't the cause of memory leaks and..
What is the reason to use the 'new' keyword here? http://stackoverflow.com/questions/12592913/what-is-the-reason-to-use-the-new-keyword-here is the reason to use the 'new' keyword here I'm trying to understand.. is the reason to use the 'new' keyword here I'm trying to understand a piece of code.. is the reason to use the 'new' keyword here I'm trying to understand a piece of code here the colleague..
Best way to detect when a user leaves a web page? http://stackoverflow.com/questions/147636/best-way-to-detect-when-a-user-leaves-a-web-page way to detect when a user leaves a web page What is the best way to detect if.. way to detect when a user leaves a web page What is the best way to detect if a user leaves a web page The onunload.. is the best way to detect if a user leaves a web page The onunload JavaScript event doesn't work every time the HTTP request..
http://stackoverflow.com/questions/1694595/can-i-call-jquery-click-to-follow-an-a-link-if-i-havent-bound-an-event-hand which needs to emulate clicking a link to go to another page once the time elapses. To do this I'm using jquery's click.. to emulate clicking a link to go to another page once the time elapses. To do this I'm using jquery's click function... in this question but I am also interested in what other browsers will do with this. If I have not used 'a' .bind 'click'..
http://stackoverflow.com/questions/191881/serializing-to-json-in-jquery need to serialize an object to JSON. I'm using jQuery. Is there a standard way to do this My specific situation I have an.. over to Crockford's json2.js. It is fully compatible with the ECMAScript 5 specification and gracefully degrades if a native.. I just landed a change in jQuery yesterday that utilizes the JSON.parse method if it exists now that it has been completely..
jQuery single quote in JSON response http://stackoverflow.com/questions/2275359/jquery-single-quote-in-json-response JSON objects like var value ... . However if any of the values contains a single quote properly escaped like ' jQuery.. quote properly escaped like ' jQuery fails to parse an otherwise valid JSON string. Here's an example of what I mean done.. of what I mean done in Chrome's Console Is this normal Is there no way to properly pass a single quote via JSON javascript..
Access a JavaScript variable from PHP http://stackoverflow.com/questions/2338942/access-a-javascript-variable-from-php variable with PHP . Here's a stripped down version of the code I'm currently trying which isn't working script type text.. to do is create a form that will update a Twitter status when submitted. I've got the form working OK but I want to also.. will update a Twitter status when submitted. I've got the form working OK but I want to also add geolocation data. Since..
Make Browser Window Blink in Task Bar http://stackoverflow.com/questions/37122/make-browser-window-blink-in-task-bar How do I make a user's browser blink flash highlight in the task bar using JavaScript For example if I make an AJAX request.. if I make an AJAX request every 10 seconds to see if the user has any new messages on the server I want the user to know.. 10 seconds to see if the user has any new messages on the server I want the user to know it right away even if he is using..
Is JavaScript 's “new” Keyword Considered Harmful? [closed] http://stackoverflow.com/questions/383402/is-javascript-s-new-keyword-considered-harmful &ldquo new&rdquo Keyword Considered Harmful closed In another question a user pointed out that the new keyword was dangerous.. closed In another question a user pointed out that the new keyword was dangerous to use and proposed a solution to.. mostly because I've used Prototype Scriptaculous and other excellent JavaScript libraries and everyone of them used the..
Get a range's start and end offset's relative to its parent container http://stackoverflow.com/questions/4811822/get-a-ranges-start-and-end-offsets-relative-to-its-parent-container Hello everyone a This is my home page a p Bye p div And the user selects home with his mouse. I want to be able to determine.. #parent his selection starts and how many characters from the end of #parent his selection ends . This should work even if.. of #parent his selection ends . This should work even if he selects an HTML tag. And I need it to work in all browsers range.startOffset..
How to read and write into file using JavaScript http://stackoverflow.com/questions/585234/how-to-read-and-write-into-file-using-javascript and write into file using JavaScript Can anybody give the sample code to read and write the into file using JavaScript.. Can anybody give the sample code to read and write the into file using JavaScript javascript file system share improve.. system share improve this question For completeness the OP does not state he is looking to do this in a browser if he..
What is JavaScript garbage collection? http://stackoverflow.com/questions/864516/what-is-javascript-garbage-collection additionally comparing it to VBScript . More accurately he wrote about JScript which is Microsoft's own implementation.. to JavaScript. I would imagine that you can assume the vast majority of behaviour would be the same for the JavaScript.. you can assume the vast majority of behaviour would be the same for the JavaScript engine of Internet Explorer. Of course..
Immediate function invocation syntax http://stackoverflow.com/questions/939386/immediate-function-invocation-syntax function invocation syntax There is a JSLint option one of The Good Parts in fact that requires.. invocation syntax There is a JSLint option one of The Good Parts in fact that requires parens around immediate invocations.. requires parens around immediate invocations meaning that the construction function ... would instead need to be written as..
How to include a JavaScript file in another JavaScript file? http://stackoverflow.com/questions/950087/how-to-include-a-javascript-file-in-another-javascript-file to include a JavaScript file in another JavaScript file Is there something similar to @import in CSS.. include a JavaScript file in another JavaScript file Is there something similar to @import in CSS in JavaScript that allows.. that allows you to include a JavaScript file inside another JavaScript file javascript file import include share improve..
JavaScript - Are loops really faster in reverse…? http://stackoverflow.com/questions/1340589/javascript-are-loops-really-faster-in-reverse a lot of loops in javascript in a lot of browsers. He also has a test suite so you can run them yourself. In all cases..
Why is extending native objects a bad practice? http://stackoverflow.com/questions/14034180/why-is-extending-native-objects-a-bad-practice any object Take TJ Holowaychuk 's should.js for example. He adds a simple getter to Object and everything works fine source..
What's the best way to loop through a set of elements in JavaScript? http://stackoverflow.com/questions/157260/whats-the-best-way-to-loop-through-a-set-of-elements-in-javascript loop on elements of a given class and change this class. He found that only one out of two elements was changed in FF3 ...
OO Javascript constructor pattern: neo-classical vs prototypal http://stackoverflow.com/questions/1809914/oo-javascript-constructor-pattern-neo-classical-vs-prototypal surprising statement he made for me was new is dangerous . He doesn't use it any more. He doesn't use this either. He presented.. for me was new is dangerous . He doesn't use it any more. He doesn't use this either. He presented an interesting pattern.. . He doesn't use it any more. He doesn't use this either. He presented an interesting pattern for a constructor in Javascript..
Declaring functions in JavaScript [duplicate] http://stackoverflow.com/questions/1925976/declaring-functions-in-javascript functions' territory ends here here is mr. spongebob. He is very passionate about his objects but he's a bit rude. var.. manners too. EVOLUTION spongeBob.apologize function alert Hey this.name I'm sorry man return this Ask spongebob to swear..
Why write <script type=“text/javascript”> when the mime type is set by the server? http://stackoverflow.com/questions/2706290/why-write-script-type-text-javascript-when-the-mime-type-is-set-by-the-serve is better to leave it out. The browser knows what to do. He also says W3C did not adopt the language attribute favoring..
Designing a fluent Javascript interface to abstract away the asynchronous nature of AJAX http://stackoverflow.com/questions/2796375/designing-a-fluent-javascript-interface-to-abstract-away-the-asynchronous-nature @anywhere Asynchronous method queue chaining in JavaScript He talks about a really nice technique that allows you to implement..
Looking for a better workaround to Chrome select on focus bug http://stackoverflow.com/questions/3380458/looking-for-a-better-workaround-to-chrome-select-on-focus-bug all text only when the user gives the textarea focus. He must then be able to select only part of the text if he chooses...
Prevent any form of page refresh using jQuery/Javascript http://stackoverflow.com/questions/3527041/prevent-any-form-of-page-refresh-using-jquery-javascript page. 1 Anytime the user hits F5 refresh button on top. He should get an alert saying You cannot refresh the page . 2 Also..
How is a Javascript string not an object? http://stackoverflow.com/questions/3907613/how-is-a-javascript-string-not-an-object object oriented language there is no need for new . He explains that new was simply added to give people coming from.. De Ara繳jo pointed out that the two are not the same . He gives an example showing that a string is not like an object..
Can someone explain this 'double negative' trick? http://stackoverflow.com/questions/4686583/can-someone-explain-this-double-negative-trick something that I would like a better understanding of. He states Finally you use the double negative trick to force the..
Why can't I add properties to a string object in javascript? http://stackoverflow.com/questions/5201138/why-cant-i-add-properties-to-a-string-object-in-javascript I inherited some javascript code another developer wrote. He didn't like the grid component we used throughout the project.. sort dates because it can only bind to strings numbers. He converts all dates to strings before using them. I looked at.. either retrieved or set. For instance var str '' str.prop Here str is a variable holding a String value. Therefore accessing..
http://stackoverflow.com/questions/520640/googles-imageless-buttons buttons he shows are created using a simple bit of CSS. He originally used 9 tables to get the effect But later he used..
http://stackoverflow.com/questions/646628/javascript-startswith str 0 Then you can use it directly on string values Hello World .startsWith He true var data Hello world var input.. use it directly on string values Hello World .startsWith He true var data Hello world var input 'He' data.startsWith input.. on string values Hello World .startsWith He true var data Hello world var input 'He' data.startsWith input true Edit Note..
Why did Underscore.js remove support for AMD? http://stackoverflow.com/questions/9009510/why-did-underscore-js-remove-support-for-amd I apologize for merging the support in the first place. He also tweeted a bit more on the change link from a later comment..
Should I include type=“text/javascript” in my SCRIPT tags? http://stackoverflow.com/questions/985408/should-i-include-type-text-javascript-in-my-script-tags the file and that is what the browser will then deal with. He best explains it in one of his videos on YUI Theater http developer.yahoo.com..
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