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javascript Programming Glossary: keephttp://stackoverflow.com/questions/1051782/jquery-this-vs-this jQuery. If you want jQuery's help to do DOM things just keep this in mind. this 0 this Basically every time you get a set..
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 this . Before I start here's the most important thing to keep in mind about Javascript and to repeat to yourself when it doesn't.. that which points to this . Closure a topic all it's own keeps that around so if you call bar as a callback it still has a..
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 And all of the above tie into this over arching theme keep your concerns separate. Your view acts as the official record..
How to “properly” create a custom object in JavaScript? http://stackoverflow.com/questions/1595611/how-to-properly-create-a-custom-object-in-javascript that out into its own helper function so we don't have to keep typing it for example instead of Function.prototype.subclass..
Use of .apply() with 'new' operator. Is this possible? http://stackoverflow.com/questions/1606797/use-of-apply-with-new-operator-is-this-possible and calling the outer anonymous function like that is to keep function F from polluting the global namespace. It's sometimes..
http://stackoverflow.com/questions/270612/scroll-to-bottom-of-div div #scroll height 400px overflow scroll Is there a way to keep it scrolled to the bottom by default using JS Is there a way.. to the bottom by default using JS Is there a way to keep it scrolled to the bottom after an ajax request javascript..
Validate email address in JavaScript? http://stackoverflow.com/questions/46155/validate-email-address-in-javascript 3 . 0 9 1 3 a zA Z 0 9 . a zA Z 2 return re.test email But keep in mind that one should not rely only upon JavaScript validation...
Knockout.js vs Backbone.js? [closed] http://stackoverflow.com/questions/5112899/knockout-js-vs-backbone-js either Knockout or Backbone to speed things along and keep things organized but I am not sure how to go about choosing..
Where do you include the jQuery library from? Google JSAPI? CDN? http://stackoverflow.com/questions/547384/where-do-you-include-the-jquery-library-from-google-jsapi-cdn sites and to save bandwidth from our server but if it keeps being the slow portion of the site I may change the include... prefer jQuery you could use the following source path keep in mind that jQuery doesn't support SSL connections script type..
How to read and write into file using JavaScript http://stackoverflow.com/questions/585234/how-to-read-and-write-into-file-using-javascript was to the Sun docs that now have been moved by Oracle. To keep up with the times here's the node.js documentation for the FileSystem..
How can I make setInterval also work when a tab is inactive in Chrome? http://stackoverflow.com/questions/5927284/how-can-i-make-setinterval-also-work-when-a-tab-is-inactive-in-chrome issues but still there are some things that you need to keep running. For this you can use HTML5 Web Workers . Take a look..
On - window.location.hash - change? http://stackoverflow.com/questions/680785/on-window-location-hash-change does this is by setting an interval that keeps checking the current hash and comparing it against what it.. really don't support this event natively. Update to keep this answer fresh If you are using jQuery which today should..
YouTube iframe API: how do I control a iframe player that's already in the HTML? http://stackoverflow.com/questions/7443578/youtube-iframe-api-how-do-i-control-a-iframe-player-thats-already-in-the-html frame_id queue.push func args if 'poller' in queue keep polling until the document and frame is ready queue.poller setInterval..
Why Javascript only works after opening developer tools in IE once? http://stackoverflow.com/questions/7742781/why-javascript-only-works-after-opening-developer-tools-in-ie-once stuff like that in production code anyway. If you want to keep the console references you could wrap them in an if statement..
How to prevent buttons from submitting forms http://stackoverflow.com/questions/932653/how-to-prevent-buttons-from-submitting-forms removeItem return false Remove Last Item button ...that'll keep them from triggering a submit action when an exception occurs.. name RemoveLastItem Remove Last Item button This technique keeps all of your logic in one place making it easier to debug.....
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 load the code . Modern web browsers will load the file and keep executing your current script because they load everything asynchronously..
Using jQuery to test if an input has focus http://stackoverflow.com/questions/967096/using-jquery-to-test-if-an-input-has-focus One of the div s contains a form which using jQuery will keep the border if an input within it has focus. This works perfectly..
Custom attributes - Yea or nay? http://stackoverflow.com/questions/992115/custom-attributes-yea-or-nay custom attributes are a good thing what are some things to keep in mind when using them For those who think custom attributes..
Call Angular JS from legacy code http://stackoverflow.com/questions/10490570/call-angular-js-from-legacy-code can invoke any methods which have been published to it. Keep in mind that any changes to the angular model or any method..
Javascript code to parse CSV data [closed] http://stackoverflow.com/questions/1293147/javascript-code-to-parse-csv-data individual pattern matching groups. var arrMatches null Keep looping over the regular expression matches until we can no..
Determining image file size + dimensions via Javascript? http://stackoverflow.com/questions/1310378/determining-image-file-size-dimensions-via-javascript 'Content Length' else alert 'ERROR' xhr.send null Note Keep in mind that when you do Ajax requests you are restricted by..
Javascript infamous Loop problem? http://stackoverflow.com/questions/1451009/javascript-infamous-loop-problem the old value as the function objects are independant. Keep in mind that this approach is rather inefficient as two new..
a simple question on jquery closure http://stackoverflow.com/questions/2024888/a-simple-question-on-jquery-closure you can freely refer to it as the received argument . Keep in mind that also the function context the this keyword inside..
What are techniques to get around the IE file download security rules? http://stackoverflow.com/questions/2064882/what-are-techniques-to-get-around-the-ie-file-download-security-rules the form staying in place. There are several options. Keep the submit button disabled and do ongoing validation in the..
How do I reset the scale/zoom of a web app on an orientation change on the iPhone? http://stackoverflow.com/questions/2557801/how-do-i-reset-the-scale-zoom-of-a-web-app-on-an-orientation-change-on-the-iphon a good solution for this on his blog Orientation and scale Keep the Markup scalable by not setting a maximum scale in markup...
Prevent double submission of forms in jQuery http://stackoverflow.com/questions/2830542/prevent-double-submission-of-forms-in-jquery the next submit can be ignored form.data 'submitted' true Keep chainability return this Use it like this 'form' .preventDoubleSubmission..
How do I send a cross-domain POST request via JavaScript? http://stackoverflow.com/questions/298745/how-do-i-send-a-cross-domain-post-request-via-javascript I have only verified this works with safari chrome FF 3.6. Keep in mind the following if you do this Your server will have to..
What are the common defenses against XSS? [closed] http://stackoverflow.com/questions/3129899/what-are-the-common-defenses-against-xss despite other efforts to prevent XSS. HTML escaping. Keep in mind that you need to HTML escape all user input. This includes..
string to int use parseInt or Number? http://stackoverflow.com/questions/4090518/string-to-int-use-parseint-or-number Number 20px NaN Number 2e1 20 exponential notation Keep in mind that if parseInt detects a leading zero on the string..
Why is there a `null` value in JavaScript? http://stackoverflow.com/questions/461966/why-is-there-a-null-value-in-javascript I don't want to delete. Should I use null instead Yes. Keep 'undefined' as a special value for signalling when other languages..
Set cursor position in html textbox http://stackoverflow.com/questions/512528/set-cursor-position-in-html-textbox appreciate it if you let me know if it works or not. Keep in mind that the above function could potentially be used for..
send a notification from javascript in UIWebView to ObjectiveC http://stackoverflow.com/questions/5671742/send-a-notification-from-javascript-in-uiwebview-to-objectivec whatever will of course fail under any other context. Keep this in mind if you're loading cross platform pages. Timing..
How do you clone an Array of Objects in Javascript http://stackoverflow.com/questions/597588/how-do-you-clone-an-array-of-objects-in-javascript objects that don't reference other objects in the array. Keep a track of each object's origins. On round two link the objects..
math random number without repeating a previous number http://stackoverflow.com/questions/6625551/math-random-number-without-repeating-a-previous-number of type ' randorder index ' ' .fadeIn 300 300 Solution C Keep track of the numbers available in an array. Randomly pick a..
Listening for Youtube Event in JavaScript or jQuery http://stackoverflow.com/questions/7988476/listening-for-youtube-event-in-javascript-or-jquery elem.id Existing ID return it else Create a new ID do Keep postfixing ` frame` until the ID is unique id frame while document.getElementById..
Can search engines index JavaScript generated web pages? http://stackoverflow.com/questions/826275/can-search-engines-index-javascript-generated-web-pages original text only site to stay intact and functioning. Keep your markup clean Third is to add a behavioural layer Javascript..
AngularJS with Django - Conflicting template tags http://stackoverflow.com/questions/8302928/angularjs-with-django-conflicting-template-tags ' ' interpolateProvider.endSymbol ' ' Keep in mind two things mixing server side and client side templates..
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