¡@
javascript Programming Glossary: noHow do JavaScript closures work? http://stackoverflow.com/questions/111102/how-do-javascript-closures-work failed. How would you explain it to someone with a knowledge of the concepts which make up closures e.g. functions.. up closures e.g. functions variables and the like but does not understand closures themselves EDIT I have seen the Scheme.. seen the Scheme example given in Stack Overflow and it did not help. javascript closures share improve this question Whenever..
Most efficient way to clone an object? http://stackoverflow.com/questions/122102/most-efficient-way-to-clone-an-object copying functions with various flaws. I'm surprised no canonical solution exists. javascript object clone share.. copying functions with various flaws. I'm surprised no canonical solution exists. javascript object clone share improve.. object clone share improve this question I want to note that the .clone method in jQuery only clones DOM elements...
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 does the PHP or other server side code in my Javascript not work Note This is a reference question. If you see one of.. ' foo ' var baz php echo 42 alert baz script Why does this not write bar into my text file but alerts 42 php javascript .. has finished outputting the response the script ends and nothing will happen on the server until a new HTTP request comes..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events is the order of page events transition from one page to another How can I send data from one page to another and is it possible.. one page to another How can I send data from one page to another and is it possible to access a data from previous page .. about be be loaded and shown for the first time. It will not trigger again unless page is manually refreshed or ajax page..
Prototypical inheritance - writing up [duplicate] http://stackoverflow.com/questions/16063394/prototypical-inheritance-writing-up from Example 2 when the code reaches speedy.found it finds no found property in speedy and so it climbs up to the prototype.. rabbit.eat which changes rabbit.full . full property is nowhere to be found so it should go up the prototype chain to to.. should go up the prototype chain to to object and well I'm not sure what happens here. In this example the property full of..
http://stackoverflow.com/questions/2067472/what-is-jsonp-all-about is JSONP all about I understand JSON but not JSONP. Wikipedia's document on JSON is was the top search result.. make any sense to me. JSON is a data format. There's no call. The 2nd search result is from some guy named Remy who.. function . I can sort of understand that but it's still not making any sense. What is JSONP why was it created what problem..
Does it matter which equals operator (== vs ===) I use in JavaScript comparisons? http://stackoverflow.com/questions/359494/does-it-matter-which-equals-operator-vs-i-use-in-javascript-comparisons would probably be welcomed as there are hundreds if not thousands of these comparison operators being used throughout.. the file. Would I be correct in assuming that if no type conversion takes place there would be a small probably.. behaves identically to the equality operator except no type conversion is done and the types must be the same to be..
http://stackoverflow.com/questions/500431/javascript-variable-scope scope again function three var a 3 alert a Intermediate no such thing as block scope in javascript function four if true.. function four if true var a 4 alert a alerts '4' not the global value of '1' Intermediate object properties function..
Why is using “for…in” with array iteration such a bad idea? http://stackoverflow.com/questions/500504/why-is-using-for-in-with-array-iteration-such-a-bad-idea with array iteration such a bad idea I've been told not to use for...in with arrays in JavaScript. Why not javascript.. told not to use for...in with arrays in JavaScript. Why not javascript arrays for loop share improve this question .. var x in a Shows only the explicitly set index of 5 and ignores 0 4 Also consider that JavaScript libraries might do things..
http://stackoverflow.com/questions/5874652/prop-vs-attr the jQuery team reverted attr to something close to but not exactly the same as its old behaviour for Boolean attributes.. attr . Original answer If you've only ever used jQuery and not the DOM directly this could be a confusing change although.. usually updating one will update the other but this is not the case for certain attributes of inputs such as value and..
Javascript closure inside loops - simple practical example http://stackoverflow.com/questions/750486/javascript-closure-inside-loops-simple-practical-example 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 value.. the problem is that the variable i within each of your anonymous functions is bound to the same variable outside of the.. i 3 i funcs i createfunc i for var j 0 j 3 j funcs j and now let's run each one to see Since there is no block scope in..
Why is using the JavaScript eval function a bad idea? http://stackoverflow.com/questions/86513/why-is-using-the-javascript-eval-function-a-bad-idea for injection attacks Debugging can be more challenging no line numbers etc. eval'd code executes more slowly no opportunity.. no line numbers etc. eval'd code executes more slowly no opportunity to compile cache eval'd code Edit As @Jeff Walden.. only be limited to scripts that are eval'd repeated with no modification. A more likely scenario is that you are eval'ing..
Is Safari on iOS 6 caching $.ajax results? http://stackoverflow.com/questions/12506897/is-safari-on-ios-6-caching-ajax-results end of service calls is to set Cache Control no cache . So No Cache Control or Expires headers iOS6 Safari will cache Cache..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events demonstrate this problem. Few more notes on this question. No matter if you are using 1 html multiple pages or multiple html..
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 or written how many of them had an accompanying test suite Not very many because jQuery isn't very amenable to that. But AngularJS.. I see most frequently. We want a toggleable button. Note this example is a little contrived and a skosh verbose to.. are still all those other benefits like testing it's easy No matter what's in the template the directive's internal API is..
Populating child dropdownlists in JSP/Servlet http://stackoverflow.com/questions/2263996/populating-child-dropdownlists-in-jsp-servlet dropdown during the onchange event of the 1st dropdown. No form submit and no server cycle is needed here. script var dd2options..
Is javascript guaranteed to be single-threaded? http://stackoverflow.com/questions/2734025/is-javascript-guaranteed-to-be-single-threaded n' script Hit alert and you'll get a modal dialogue box. No more script executes until you dismiss that dialogue yes Nope... more script executes until you dismiss that dialogue yes Nope. Resize the main window and you will get alert in resize alert..
JavaScript unit test tools for TDD http://stackoverflow.com/questions/300855/javascript-unit-test-tools-for-tdd an html file it has not been updated for a few years Notes There is a JsUnit 2 . An 'ant' is an open source build tool.. engine from a limited number of browser versions No activity for 2 years it does not support Firefox versions 2.x.. only framework cannot be called from ant build file Note I did not try it but it is very similar to jsspec and jspec...
var functionName = function() {} vs function functionName() {} http://stackoverflow.com/questions/336859/var-functionname-function-vs-function-functionname Error functionOne var functionOne function script script No error functionTwo function functionTwo script share improve..
Can the jQuery UI Datepicker be made to disable Saturdays and Sundays (and holidays)? http://stackoverflow.com/questions/501943/can-the-jquery-ui-datepicker-be-made-to-disable-saturdays-and-sundays-and-holid 0 return nationalDays date else return noWeekend Update Note that as of jQuery UI 1.8.19 the beforeShowDay option also..
How to remove the space between inline-block elements? http://stackoverflow.com/questions/5078239/how-to-remove-the-space-between-inline-block-elements Will appending another element with jQuery add whitespace No not if you do it properly. Let's go on a magical journey of.. are fine with this ul li Item 1 li Item 2 li Item 3 ul Now that I've gone and bored you to death with one thousand different..
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 My web hosting company charges me for the bandwidth used. No sense consuming 18k per user session if the visitor can get..
Does JavaScript Guarantee Object Property Order? http://stackoverflow.com/questions/5525795/does-javascript-guarantee-object-property-order I added them javascript share improve this question No properties order in objects are not guaranted in JavaScript..
Are “(function ( ) { } ) ( )” and “(function ( ) { } ( ) )” functionally equal in JavaScript? http://stackoverflow.com/questions/5938802/are-function-and-function-functionally-equal-i javascript function share improve this question No they are identical However if you add new beforehand and .something..
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 script.js s.onload function this.parentNode.removeChild this document.head document.documentElement .appendChild.. document.documentElement .appendChild script script.parentNode.removeChild script Method 2b Using a function For a big chunk.. document.documentElement .appendChild script script.parentNode.removeChild script This method works because the operator..
Can javascript access a filesystem? http://stackoverflow.com/questions/1087246/can-javascript-access-a-filesystem access a filesystem I was pretty sure the answer was NO and hence google gears adobe AIR etc. If I was right then how..
Javascript get input text value http://stackoverflow.com/questions/11563638/javascript-get-input-text-value FF4b1 Y Y Y Y Y GC Google Chrome GC4 GC5 Y Y Y Y Y Y YES N NO Safari4 Safari5 Y Y Y Y Y Opera10.10 Opera10.53 Y Y Y Y Buggy..
Watch for object properties changes in JavaScript [duplicate] http://stackoverflow.com/questions/1269633/watch-for-object-properties-changes-in-javascript in browsers that have accessor support. Public Domain. NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK. object.watch..
Resizing an iframe based on content http://stackoverflow.com/questions/153152/resizing-an-iframe-based-on-content www.foo.com home.html N A YES YES www.bar.net framed.html NO N A YES www.foo.com helper.html YES YES N A framed.html..
window.resize event firing in Internet Explorer http://stackoverflow.com/questions/1852751/window-resize-event-firing-in-internet-explorer that appended div the window.resize event get trigger for NO GOOD REASON. It it results in an infinite loop triggering the..
How to close current tab in a browser window? http://stackoverflow.com/questions/2076299/how-to-close-current-tab-in-a-browser-window appear asking user to confirm with two buttons YES and NO . If user clicks YES close that page and If NO do nothing. How.. YES and NO . If user clicks YES close that page and If NO do nothing. How can it be done Any suggestions javascript html..
Problem with jQuery.ajax with 'delete' method in ie http://stackoverflow.com/questions/2456820/problem-with-jquery-ajax-with-delete-method-in-ie the 'error' part of the ajax call is triggered but WITH NO CALL BEING MADE TO THE BACK END i know this by watching my back..
http://stackoverflow.com/questions/280634/endswith-in-javascript of indexOf to skip ahead Works in Internet Explorer NO Regex complications Also if you don't like stuffing things in..
http://stackoverflow.com/questions/3742590/nsstring-in-uiwebview key isEqualToString @ param Use the index... return NO else return YES Inside JS location.href 'myApp param 10' ..
finding “line-breaks” in textarea that is word-wrapping ARABIC text http://stackoverflow.com/questions/4719777/finding-line-breaks-in-textarea-that-is-word-wrapping-arabic-text on the php side. I want to make it clear that there ARE NO LINE BREAKS. What I have is one LONG string that will be word..
Javascript dynamic variable name http://stackoverflow.com/questions/5117127/javascript-dynamic-variable-name variables like this var a 1 b 2 c 3 In the Global scope NO function context you implicitly write those variables into the..
Remove HTML comments with Regex, in Javascript http://stackoverflow.com/questions/5653207/remove-html-comments-with-regex-in-javascript AlwaysShowPlaceholderText w DoNotPromoteQF w LidThemeOther NO BOK w LidThemeOther w LidThemeAsian X NONE w LidThemeAsian w.. w LidThemeOther NO BOK w LidThemeOther w LidThemeAsian X NONE w LidThemeAsian w LidThemeComplexScript X NONE w LidThemeComplexScript.. X NONE w LidThemeAsian w LidThemeComplexScript X NONE w LidThemeComplexScript w Compatibility w BreakWrappedTables..
send a notification from javascript in UIWebView to ObjectiveC http://stackoverflow.com/questions/5671742/send-a-notification-from-javascript-in-uiwebview-to-objectivec ordinal position of the colon delimited parameter Return 'NO' to prevent navigation return NO Return 'YES' navigate to requested.. parameter Return 'NO' to prevent navigation return NO Return 'YES' navigate to requested URL as normal return YES..
Javascript console.log() in an iOS UIWebView http://stackoverflow.com/questions/6508313/javascript-console-log-in-an-ios-uiwebview
JavaScript DOMParser access innerHTML and other properties http://stackoverflow.com/questions/9250545/javascript-domparser-access-innerhtml-and-other-properties 2012 02 02 By Eli Grey http eligrey.com Public domain. NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK. @source..
How can I open an external link in Safari not the app's UIWebView? http://stackoverflow.com/questions/9746260/how-can-i-open-an-external-link-in-safari-not-the-apps-uiwebview SCHEME UIApplication sharedApplication openURL url return NO else return super webView theWebView shouldStartLoadWithRequest.. UIApplication sharedApplication openURL url return NO else return super webView theWebView shouldStartLoadWithRequest..
|