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javascript Programming Glossary: meHow do JavaScript closures work? http://stackoverflow.com/questions/111102/how-do-javascript-closures-work and completely failed. How would you explain it to someone with a knowledge of the concepts which make up closures e.g... understand closures themselves EDIT I have seen the Scheme example given in Stack Overflow and it did not help. javascript.. because bar can access the x which was defined as an argument to foo and it can also access tmp from foo . That is a closure...
Access / process (nested) objects, arrays or JSON http://stackoverflow.com/questions/11922383/access-process-nested-objects-arrays-or-json values or keys For example var data code 42 items id 1 name 'foo' id 2 name 'bar' How could I access the name of the second.. For example var data code 42 items id 1 name 'foo' id 2 name 'bar' How could I access the name of the second item in items.. id 1 name 'foo' id 2 name 'bar' How could I access the name of the second item in items javascript arrays object recursion..
JavaScript post request like a form submit http://stackoverflow.com/questions/133925/javascript-post-request-like-a-form-submit different page. If I wanted a GET request I might say document.location.href 'http example.com q a' But the resource I'm.. I might use the HTML form action http example.com method POST input type hidden name q value a form Then I would.. action http example.com method POST input type hidden name q value a form Then I would just submit the form from the DOM...
event.preventDefault() vs. return false http://stackoverflow.com/questions/1357118/event-preventdefault-vs-return-false Is there any significant difference between those two methods of stopping event propagation For me return false is simpler.. those two methods of stopping event propagation For me return false is simpler shorter and probably less error prone.. shorter and probably less error prone than executing a method. With the method you have to remember about correct casing..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events Mobile document ready vs page events I am using JQuery Mobile and I am having.. trouble understanding difference between classic document ready and jQuery Mobile page events. Can someone tell me what.. document ready and jQuery Mobile page events. Can someone tell me what is a real difference Why should document .ready..
How do I “think in AngularJS” if I have a jQuery background? http://stackoverflow.com/questions/14994391/how-do-i-think-in-angularjs-if-i-have-a-jquery-background necessary Here are a few questions that might help you frame an answer How do I architect and design client side web applications.. it dynamic. This is because jQuery was designed for augmentation and has grown incredibly from that simple premise. But.. and then finally go about designing your view. 2. Don't augment jQuery with AngularJS Similarly don't start with the idea..
How to “properly” create a custom object in JavaScript? http://stackoverflow.com/questions/1595611/how-to-properly-create-a-custom-object-in-javascript best way is to create an object that has properties and methods. I have seen examples where the person used var self this.. to add properties while others do it inline. Can someone give me a proper example of a JavaScript object with some.. add properties while others do it inline. Can someone give me a proper example of a JavaScript object with some Properties..
Storing Objects in HTML5 localStorage http://stackoverflow.com/questions/2010892/storing-objects-in-html5-localstorage string Value of retrievedObject object Object It looks to me like the setItem method is converting the input to a string.. object Object It looks to me like the setItem method is converting the input to a string before storing it. I.. before storing it. I see this behavior in Safari Chrome and Firefox so I assume it's my misunderstanding of the HTML5..
http://stackoverflow.com/questions/2067472/what-is-jsonp-all-about about I understand JSON but not JSONP. Wikipedia's document on JSON is was the top search result for JSONP. It says JSONP.. extension wherein a prefix is specified as an input argument of the call itself. Huh What call That doesn't make any sense.. call itself. Huh What call That doesn't make any sense to me. JSON is a data format. There's no call. The 2nd search result..
How to print a number with commas as thousands separators in JavaScript http://stackoverflow.com/questions/2901102/how-to-print-a-number-with-commas-as-thousands-separators-in-javascript answer but simplified it since I was just looking for something simple for my specific purpose. Here is what I did function.. My explanation is sort of long. It won't fit in the comments and I don't know where else to put it so I am doing it here... has any other suggestions for where to put it please let me know. The regex uses 2 lookahead assertions a positive one to..
http://stackoverflow.com/questions/3127429/javascript-this-keyword JavaScript on the Stack Overflow site. I have witnessed some very strange behaviour with it and have failed to understand.. why it has occurred. Would anyone care to explain to me how this works and when it should be used javascript this .. javascript this share improve this question I recommend reading Mike West 's article Scope in JavaScript mirror first...
jQuery/JavaScript: accessing contents of an iframe http://stackoverflow.com/questions/364952/jquery-javascript-accessing-contents-of-an-iframe JavaScript accessing contents of an iframe I would like to manipulate the html inside an iframe using.. iframe I would like to manipulate the html inside an iframe using jquery. I thought I'd be able to do this by setting the.. setting the context of the jQuery function to be the document of the iframe something like function document ready 'some..
Is Chrome's JavaScript console lazy about evaluating arrays? http://stackoverflow.com/questions/4057440/is-chromes-javascript-console-lazy-about-evaluating-arrays Chrome's JavaScript console lazy about evaluating arrays I'll start.. In response to this Firebug says hi bye Wonderful but Chrome's JavaScript console 7.0.517.41 beta says bye bye Have I done.. console 7.0.517.41 beta says bye bye Have I done something wrong or is Chrome's JavaScript console being exceptionally..
Open url in new tab using javascript http://stackoverflow.com/questions/4907843/open-url-in-new-tab-using-javascript seen related questions where the responses would look something like window.open url '_blank' window.open url But none.. url '_blank' window.open url But none of them worked for me the browser still tried to open a popup window. javascript..
Javascript closure inside loops - simple practical example http://stackoverflow.com/questions/750486/javascript-closure-inside-loops-simple-practical-example discussed a lot on SO but this situation pops up a lot for me and I'm always left scratching my head what to do. var funcs.. within each of your anonymous functions is bound to the same variable outside of the function. What you want to do is bind..
What is the !! (not not) operator in JavaScript? http://stackoverflow.com/questions/784929/what-is-the-not-not-operator-in-javascript is the not not operator in JavaScript I saw some code that seems to use an operator I don't recognize in the.. in the form of two exclamation points like so . Can someone please tell me what this operator does The context in which.. two exclamation points like so . Can someone please tell me what this operator does The context in which I saw this was..
Building a Chrome Extension - Inject code in a page using a Content script http://stackoverflow.com/questions/9515704/building-a-chrome-extension-inject-code-in-a-page-using-a-content-script a Chrome Extension Inject code in a page using a Content script I'm.. using a Content script I'm learning how to create chrome extensions and I just started developing one to catch youtube.. try to make it compatible with html5 . manifest.json name MyExtension version 1.0 description Gotta catch Youtube events..
How does inline Javascript (in HTML) work? http://stackoverflow.com/questions/10607847/how-does-inline-javascript-in-html-work like this is written a href # onclick alert 'Hi' Click Me a As far as I can tell this is functionally the same as script.. function alert 'Hi' script a href # id click_me Click Me a Extrapolating from this it seems that the string assigned.. accounted for context a href # onclick alert this Click Me a is actually closer to a href # id click_me Click Me a script..
Chrome Extension: Port error: Could not establish connection. Receiving end does not exist. http://stackoverflow.com/questions/11811554/chrome-extension-port-error-could-not-establish-connection-receiving-end-does onRequest request sender callbackFunction console.log Me BS became this Message request.message sendResponse message.. sender callbackFunction console.log Me BS became this Message request.message sendResponse message request.message chrome.extension.onRequest.addListener.. function contactBackground nachricht chrome.extension.sendMessage message nachricht function response console.log The Background..
How do I run PHP code when a user clicks on a link? http://stackoverflow.com/questions/1280767/how-do-i-run-php-code-when-a-user-clicks-on-a-link return false script a href # onclick doSomething Click Me a You could also do a post back if you need to use form values..
Javascript Function and Form Name conflict http://stackoverflow.com/questions/1415747/javascript-function-and-form-name-conflict body form name mytest form a href # onClick mytest Click Me a body html I am running this on IE6. What is strange to me..
http://stackoverflow.com/questions/2004168/javascript-escape-quotes a tag like this a href onclick DoEdit 'DESCRIPTION' Click Me a DESCRIPTION is actually a value from the DB that is something..
Iframe Function Calling From Iframe to parent page javascript function http://stackoverflow.com/questions/2161388/iframe-function-calling-from-iframe-to-parent-page-javascript-function sss script iframe id myFrame a onclick abc href # Call Me a iframe javascript iframe share improve this question .. improve this question a onclick parent.abc href # Call Me a See window.parent Returns a reference to the parent of the..
After travelling back in Firefox history, javascript won't run http://stackoverflow.com/questions/2638292/after-travelling-back-in-firefox-history-javascript-wont-run alert' alert 'inline alert' script a href 1.html Click Me a body html 1.html html body p Go BACK p body html javascript.. function alert 'inline alert' script a href 1.html Click Me a body html Source http www.firefoxanswer.com firefox 672 firefoxanswer.html..
What's the best way to pass a PHP variable to Javascript? http://stackoverflow.com/questions/2766041/whats-the-best-way-to-pass-a-php-variable-to-javascript and read them out with Javascript whenever I need them. Me and a colleague are now thinking of generating an extra Javascript..
navigator.geolocation.getCurrentPosition sometimes works sometimes doesn't http://stackoverflow.com/questions/3397585/navigator-geolocation-getcurrentposition-sometimes-works-sometimes-doesnt current location #people current location .remove #Near Me .watermark Current Location .after input type 'hidden' name.. current location' value ' userLocation ' #people Near Me .watermark Current Location .after input type 'hidden' name.. location' value ' userLocation ' function noLocation #Near Me .watermark Could not find location #people Near Me .watermark..
How to disable mouseout events triggered by child elements? http://stackoverflow.com/questions/350639/how-to-disable-mouseout-events-triggered-by-child-elements simplified example to illustrate what I mean Html a Hover Me a div input Test input select option Option 1 option option..
Javascript - Dynamically assign onclick event in the loop http://stackoverflow.com/questions/5040069/javascript-dynamically-assign-onclick-event-in-the-loop btnShow.setAttribute type button btnShow.value Show Me Option var optionPar arrOptions i btnShow.onclick function..
Increase CSS brightness color on click with jquery/javascript? http://stackoverflow.com/questions/5833624/increase-css-brightness-color-on-click-with-jquery-javascript on click with jquery javascript So if I have a text Click Me to Brighten that has CSS color property of some dark green hex..
Submit two forms with one button http://stackoverflow.com/questions/7843355/submit-two-forms-with-one-button to do this with JavaScript input type button value Click Me onclick submitForms If your forms have IDs submitForms function..
http://stackoverflow.com/questions/7924232/open-new-tab-in-javascript
Tool for checking unused CSS selectors? http://stackoverflow.com/questions/7957881/tool-for-checking-unused-css-selectors CSS selectors I know there is an extension called Dust Me Selectors for Firefox and also that it doesn't look at dynamic..
Smart gwt tutorials and guidance http://stackoverflow.com/questions/11538857/smart-gwt-tutorials-and-guidance nothing other than javadocs for it. So please guys HELP ME java javascript gwt smartgwt share improve this question..
http://stackoverflow.com/questions/1283158/geolocation-api Europe LV Europe LY Africa MA Africa MC Europe MD Europe ME Europe MG Africa MH Australia MK Europe ML Africa MM Asia MN..
Get Locale Short Date Format using javascript http://stackoverflow.com/questions/2388115/get-locale-short-date-format-using-javascript TM dd.MM.yy bs Latn BA d.M.yyyy mt MT dd MM yyyy sr Cyrl ME d.M.yyyy se FI d.M.yyyy zu ZA yyyy MM dd xh ZA yyyy MM dd tn.. EC dd MM yyyy quz PE dd MM yyyy hr BA d.M.yyyy. sr Latn ME d.M.yyyy sma SE yyyy MM dd en SG d M yyyy ug CN yyyy M d sr..
Name a PNG file saved from Canvas using an “open with” dialog http://stackoverflow.com/questions/6045603/name-a-png-file-saved-from-canvas-using-an-open-with-dialog images srpr logo3w.png download testXXX.jpg DOWNLOAD ME a Only one line no javascript yeah You can change the href part..
facebook style jquery tokeninput script retains value in the jquery-ui modal window http://stackoverflow.com/questions/9141176/facebook-style-jquery-tokeninput-script-retains-value-in-the-jquery-ui-modal-win .siblings input type text .val 'this is a value ' ADDED BY ME #demo input facebook theme dialog .val '' .border_text dialog..
http://stackoverflow.com/questions/9397485/regex-street-address-match AZ CA CO CT DC DE FL GA GU HI IA ID IL IN KS KY LA MA MD ME MI MN MO MS MT NC ND NE NH NJ NM NV NY OH OK OR PA RI SC SD..
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