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javascript Programming Glossary: thisHow do JavaScript closures work? http://stackoverflow.com/questions/111102/how-do-javascript-closures-work and it did not help. javascript closures share improve this question Whenever you see the function keyword within another.. time you call bar . The simplest example of a closure is this var a 10 function test console.log a will output 10 console.log.. Together with the function arguments and the parent object this execution context also receives all the variables declared outside..
var functionName = function() {} vs function functionName() {} http://stackoverflow.com/questions/336859/var-functionname-function-vs-function-functionname other javascript function syntax idioms share improve this question The difference is that functionOne is defined at run..
http://stackoverflow.com/questions/5874652/prop-vs-attr new function prop . selector .click function instead of this.getAttribute 'style' do i use this .prop 'style' or this .attr.. function instead of this.getAttribute 'style' do i use this .prop 'style' or this .attr 'style' or in this case do they.. this.getAttribute 'style' do i use this .prop 'style' or this .attr 'style' or in this case do they do the same thing And..
Is JavaScript's Floating-Point Math Broken? http://stackoverflow.com/questions/588004/is-javascripts-floating-point-math-broken 0.2 0.3 false 0.1 0.2 0.30000000000000004 Any ideas why this happens javascript math floating point floating accuracy fractions.. floating point floating accuracy fractions share improve this question All floating point math is like this and is based.. improve this question All floating point math is like this and is based on the IEEE 754 standard . JavaScript uses 64 bit..
Javascript closure inside loops - simple practical example http://stackoverflow.com/questions/750486/javascript-closure-inside-loops-simple-practical-example of those things which has been discussed a lot on SO but this situation pops up a lot for me and I'm always left scratching.. 3 j funcs j and now let's run each one to see It outputs this My value 3 My value 3 My value 3 Whereas I'd like it to output.. My value 0 My value 1 My value 2 What's the solution to this basic problem javascript loops closures share improve this..
How can I get query string values in JavaScript? http://stackoverflow.com/questions/901115/how-can-i-get-query-string-values-in-javascript javascript jquery url plugins query string share improve this question You don't need jQuery for that purpose. You can use..
Where can I find documentation on formatting a date in JavaScript http://stackoverflow.com/questions/1056728/where-can-i-find-documentation-on-formatting-a-date-in-javascript the valid string formats while calling new Date function. This is for converting a string to date. If we look at the opposite..
How do JavaScript closures work? http://stackoverflow.com/questions/111102/how-do-javascript-closures-work foo x var tmp 3 function bar y alert x y tmp bar 10 foo 2 This will always alert 16 because bar can access the x which was.. variable After a couple of calls to bar age.memb will be 2 This referencing is the basis for memory leaks with HTML objects...
Access / process (nested) objects, arrays or JSON http://stackoverflow.com/questions/11922383/access-process-nested-objects-arrays-or-json element we have to use bracket notation data.items 1 This value is an object and we use dot notation again to access the.. data.items 1 Object id 2 name bar __proto__ Object This tells us that data.items 1 is an object and after expanding..
Reference: Why does the PHP (or other server side) code in my Javascript not work? http://stackoverflow.com/questions/13840429/reference-why-does-the-php-or-other-server-side-code-in-my-javascript-not-wor or other server side code in my Javascript not work Note This is a reference question. If you see one of the many questions.. 42 which is now in the spot where that code used to be. This resulting HTML Javascript code is now sent to the client where.. client will have to send a new HTTP request to the server. This can happen using one of three possible methods A link which..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events jquery mobile share improve this question Related This article can also be found as a part of my blog HERE . document.. page manipulation will be executed after a page refresh. This can be a very subtle bug. On some systems it may appear that.. javascript page handling into a single separate js file. This will note make your code any better but you will have much better..
Prototypical inheritance - writing up [duplicate] http://stackoverflow.com/questions/16063394/prototypical-inheritance-writing-up inheritance writing up duplicate This question already has an answer here Javascript object members..
How to parse JSON in JavaScript http://stackoverflow.com/questions/4935632/how-to-parse-json-in-javascript true count 1 ' obj JSON JSON.parse json .parseJSON json This will ensure you use native JSON.parse immediately rather than..
http://stackoverflow.com/questions/5874652/prop-vs-attr reflected in the defaultValue defaultChecked property . This change removes some of the layer of magic jQuery stuck in front.. about the difference between properties and attributes. This is a good thing. If you're a jQuery developer and are confused.. if #cb .attr checked checked ... if #cb .is checked ... This is actually the simplest thing in the world to do with the checked..
Create “Hello Wold” WebSocket example http://stackoverflow.com/questions/10200910/create-hello-wold-websocket-example About to send data ws.send Hello World I WANT TO SEND THIS MESSAGE TO THE SERVER alert Message sent ws.onmessage function..
http://stackoverflow.com/questions/11299553/fancybox-imagemap-gallery this demo will fail because is using jQuery v1.9.0. Check THIS for further reference. You could reproduce a working demo with..
http://stackoverflow.com/questions/11598097/angularjs-failed-resource-get something along the lines of what I want to have NOTE THAT THIS IS INVALID AND DOESN'T EXIST scope.word Word.get id routeParams.id..
Error when passing undefined variable to function? http://stackoverflow.com/questions/11874871/error-when-passing-undefined-variable-to-function Is there any way to get this function isDefined to work THIS WORKS AND RETURN FALSE alert typeof sdfsdfsdfsdf 'undefined'.. AND RETURN FALSE alert typeof sdfsdfsdfsdf 'undefined' THIS GIVES AN ERROR WHY Uncaught ReferenceError sdfsd is not defined..
Javascript and AJAX, only works when using alert() http://stackoverflow.com/questions/1267454/javascript-and-ajax-only-works-when-using-alert u_email.value true xmlhttp.send null alert ' ' WITHOUT THIS IT DOESN'T WORK. Why if available 1 taken errorDiv.innerHTML..
http://stackoverflow.com/questions/12973706/javascript-collection Objects . Arrays should only have numeric indexes. SEE THIS the Google JS development guidelines Avoid for x in arr loops..
how validate file size using HTML and Javascript on client side http://stackoverflow.com/questions/1832415/how-validate-file-size-using-html-and-javascript-on-client-side some other such rubbish. edit I found this here HOW TO DO THIS IN IE head script function getSize var myFSO new ActiveXObject..
How to detect linked PDF on a page and show message to download Adobe reader using jquery? http://stackoverflow.com/questions/1899913/how-to-detect-linked-pdf-on-a-page-and-show-message-to-download-adobe-reader-usi IS MORE THAN ZERO INSIDE DIV WITH ID maincontent THEN THIS WILL PUT TIP PARAGRAPH AS LAST CHILD OF DIV if div#maincontent..
how do I access XHR responseBody (for binary data) from Javascript in IE? http://stackoverflow.com/questions/1919972/how-do-i-access-xhr-responsebody-for-binary-data-from-javascript-in-ie Javascript. See jsdap for one example. EDIT DO NOT USE THIS VBScript var IE_HACK msie i.test navigator.userAgent opera..
Hide select option in IE using jQuery http://stackoverflow.com/questions/2031740/hide-select-option-in-ie-using-jquery http fiddle.jshell.net FAkEK 12 show EDIT #2 USE THIS INSTEAD It occurred to me that instead of doing all this clone..
How can I make a function defined in jQuery.ready available globally? http://stackoverflow.com/questions/2223305/how-can-i-make-a-function-defined-in-jquery-ready-available-globally gets gkey undefined returned gets gkey return returned THIS WORKS alert getList 'http www.youtube.com watch v dm4J5dAUnR4'..
Get the url of currently executing js file when dynamically loaded http://stackoverflow.com/questions/2277978/get-the-url-of-currently-executing-js-file-when-dynamically-loaded script var src scripts scripts.length 1 .src alert THIS IS src Ideally this should either print out brilliant.js or..
Javascript in the address bar - is this malicious? http://stackoverflow.com/questions/2634159/javascript-in-the-address-bar-is-this-malicious it do How does it work Here's the source code DO NOT DO THIS Javascript var a x69 x6E x6E x65 x72 x48 x54 x4D x4C x61 x70..
preventDefault() on an <a> tag http://stackoverflow.com/questions/265478/preventdefault-on-an-a-tag is clicked ul class product info li a href # YOU CLICK THIS TO SHOW HIDE a div class toggle p CONTENT TO SHOW HIDE p div..
What are the benefits and dangers of adding methods to Object.prototype in Javascript? http://stackoverflow.com/questions/3832617/what-are-the-benefits-and-dangers-of-adding-methods-to-object-prototype-in-javas and it caused problems with the .load event DON'T DO THIS Object.prototype.load function window .load function alert 'load..
How do i get a computed style? http://stackoverflow.com/questions/5910004/how-do-i-get-a-computed-style html id brshtml xmlns http www.w3.org 1999 xhtml I WANT THIS ELEMENTS COMPUTED BROWSER CSS HEIGHT WIDTH head title Untitled..
How do I get jqGrid to work using ASP.NET + JSON on the backend? http://stackoverflow.com/questions/727502/how-do-i-get-jqgrid-to-work-using-asp-net-json-on-the-backend work here tbl.addJSONData eval gridData FIREBUG SHOWS THIS AS THE VALUE OF gridData total 1 page 1 records 5 rows ID 1..
How to convert image to byte array using javascript only to store image on sql server? http://stackoverflow.com/questions/9258932/how-to-convert-image-to-byte-array-using-javascript-only-to-store-image-on-sql-s we got base64 code of uploaded image in dataURL . NOW SEND THIS BASE64 CODE dataURL to web service and convert the base64 string..
http://stackoverflow.com/questions/9451881/prototype-vs-prototype-what-is-the-difference-mycons-proto-myco proto__ is not MyConstructor's MyConstructor.prototype TRY THIS function MyConstructor MyConstructor.__proto__ MyConstructor.prototype..
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