¡@
javascript Programming Glossary: andHow do JavaScript closures work? http://stackoverflow.com/questions/111102/how-do-javascript-closures-work can't explain it to a six year old you really don't understand it yourself. Well I tried to explain JavaScript closures to.. to explain JavaScript closures to a 27 year old friend and completely failed. How would you explain it to someone with.. concepts which make up closures e.g. functions variables and the like but does not understand closures themselves EDIT I..
var functionName = function() {} vs function functionName() {} http://stackoverflow.com/questions/336859/var-functionname-function-vs-function-functionname else's JavaScript code. I'm fixing bugs adding features and also trying to tidy up the code and make it more consistent... bugs adding features and also trying to tidy up the code and make it more consistent. The previous developer uses two ways.. previous developer uses two ways of declaring functions and I can't work out if there is a reason behind it or not. The..
http://stackoverflow.com/questions/5874652/prop-vs-attr JpUF2 The console logs the getAttribute as a string and the attr as a string but the prop as a CSSStyleDeclaration Why.. attr . Original answer If you've only ever used jQuery and not the DOM directly this could be a confusing change although.. style the size property is a number. Where both a property and an attribute with the same name exists usually updating one..
Is JavaScript's Floating-Point Math Broken? http://stackoverflow.com/questions/588004/is-javascripts-floating-point-math-broken this question All floating point math is like this and is based on the IEEE 754 standard . JavaScript uses 64 bit floating.. point math is like this and is based on the IEEE 754 standard . JavaScript uses 64 bit floating point representation which.. instead compare the absolute value of their differences and make sure that this difference is smaller than the Epsilon value..
Javascript closure inside loops - simple practical example http://stackoverflow.com/questions/750486/javascript-closure-inside-loops-simple-practical-example 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 for.. var i 0 i 3 i let's create 3 functions funcs i function and store them in funcs console.log My value i each should log its.. i each should log its value. for var j 0 j 3 j funcs j and now let's run each one to see It outputs this My value 3 My..
JavaScript post request like a form submit http://stackoverflow.com/questions/133925/javascript-post-request-like-a-form-submit If this is possible with XMLHttpRequest it is not obvious. And this should not be asynchronous nor use XML so Ajax is not the..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events 123 data 'paremeter' '123' reloadPage true changeHash true And read them like this document .on 'pagebeforeshow' #index function.. localStorage. It only works with HTML5 browsers including Android and iOS browsers but all stored data is persistent through..
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 more on this below you never ever never change the DOM. And directives are applied in the view so intent is clear. Remember.. we had to manually reference and update a DOM node. And if we want to delete a log entry we have to code against the.. for that too. How do we test the logic apart from the DOM And what if we want to change the presentation This a little messy..
http://stackoverflow.com/questions/2067472/what-is-jsonp-all-about callback function mycallback function data alert data.foo And now when the script is loaded it'll be evaluated and your function..
How to randomize (shuffle) a javascript array? http://stackoverflow.com/questions/2450954/how-to-randomize-shuffle-a-javascript-array Math.floor Math.random currentIndex currentIndex 1 And swap it with the current element. temporaryValue array currentIndex..
http://stackoverflow.com/questions/5874652/prop-vs-attr .attr 'style' or in this case do they do the same thing And if I do have to switch to using prop all the old attr calls.. attr as a string but the prop as a CSSStyleDeclaration Why And how does that affect my coding in the future javascript jquery..
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 is undefined Then you reload the page hitting F5 . And it works Confusing... So what to do about it Well you can use..
What does document.domain = document.domain do? http://stackoverflow.com/questions/1481251/what-does-document-domain-document-domain-do frame. Unfortunately the browser stores the domain name AND port internally for the original document.domain value. But..
Javascript hard refresh of current page http://stackoverflow.com/questions/2099201/javascript-hard-refresh-of-current-page hard refresh of the page i.e. get a fresh copy of the page AND refresh all the external resources images javascript css etc...
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 FF 3.6 where if the server returns a non 400 response code AND there is a response body validation errors for example FF 3.6..
How do I limit panning in Google maps API V3? http://stackoverflow.com/questions/3125065/how-do-i-limit-panning-in-google-maps-api-v3 party but since this was exactly what I needed just now AND I improved on it I thought I'd post an answer anyway. With both..
hide scrollbar while still able to scroll with mouse/keyboard [duplicate] http://stackoverflow.com/questions/3293650/hide-scrollbar-while-still-able-to-scroll-with-mouse-keyboard use CSS overflow hidden The effect is scrollbar disabled AND scrolling disabled. javascript jquery html css share improve..
How can I capture the right-click event in JavaScript? [duplicate] http://stackoverflow.com/questions/4235426/how-can-i-capture-the-right-click-event-in-javascript
How can I preserve the search filters in jqGrid on page reload? http://stackoverflow.com/questions/4973361/how-can-i-preserve-the-search-filters-in-jqgrid-on-page-reload filters 7B 22groupOp 22 3A 22AND 22 2C 22rules 22 3A 5B 7B 22field 22 3A 22invdate 22 2C 22op.. datatype json postData filters ' groupOp AND rules ' ' field invdate op gt data 2007 09 06 ' ' field invdate..
http://stackoverflow.com/questions/5824615/jquery-when-callback-for-when-all-deferreds-are-no-long-unresolved-either-r .complete d2.resolve .when j1 j2 .done only fires if j1 AND j2 are resolved .when d1 d2 .done function will fire when j1.. are resolved .when d1 d2 .done function will fire when j1 AND j2 are both resolved OR rejected check j1.isResolved and j2.isResolved..
http://stackoverflow.com/questions/5867985/iframe-auto-100-height height 100 width 100 height 100 width 100 iframe body AND ANOTHER ALTERNATIVE body style margin 0px padding 0px overflow..
Parse JSON String into a Particular Object Prototype in JavaScript http://stackoverflow.com/questions/5873624/parse-json-string-into-a-particular-object-prototype-in-javascript new Foo alert fooObj.test Prints 6 INITIALISE A NEW FOO AND PASS THE PARSED JSON OBJECT TO IT var fooJSON new Foo JSON.parse..
How do I use jQuery's form.serialize but exclude empty fields http://stackoverflow.com/questions/608730/how-do-i-use-jquerys-form-serialize-but-exclude-empty-fields two attribute selectors next to each other implies an AND. Using a comma implies an OR. Sorry if that's obvious to CSS..
How do I monitor the DOM for changes? http://stackoverflow.com/questions/648996/how-do-i-monitor-the-dom-for-changes jQuery now features a way to attach events to existing AND future elements corresponding to a selector http docs.jquery.com..
What does a script-Tag with src AND content mean? http://stackoverflow.com/questions/6528325/what-does-a-script-tag-with-src-and-content-mean does a script Tag with src AND content mean Example from Googles 1 button script type text..
How does Facebook keep the header and footer fixed while loading a different page? http://stackoverflow.com/questions/668431/how-does-facebook-keep-the-header-and-footer-fixed-while-loading-a-different-pag and fixed footer section remain visible between page loads AND the URL in the address bar changes accordingly. At least that's..
element.onload vs element.addEventListener(“load”,callbak,false) http://stackoverflow.com/questions/6902033/element-onload-vs-element-addeventlistenerload-callbak-false callback functions in javascript element.onload callback AND element.addEventListener load callbak false javascript javascript..
What do “>>” and “<<” mean in Javascript? http://stackoverflow.com/questions/6997909/what-do-and-mean-in-javascript level . They are typically used along with the the bitwise AND and bitwise OR operators and in association with masks values..
How to check IF user has ALREADY liked the facebook page? http://stackoverflow.com/questions/7397724/how-to-check-if-user-has-already-liked-the-facebook-page with is the following If the user is logged in to facebook AND they already like the page I want it to display You're already..
DOM Mutation event in JQuery or vanilla Javascript http://stackoverflow.com/questions/7692730/dom-mutation-event-in-jquery-or-vanilla-javascript cast a wide net and catch all additions regardless of type AND make sure it works across all browsers everything but IE 8 see..
|