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javascript Programming Glossary: ecmascriptWhat is the reason to use the 'new' keyword here? http://stackoverflow.com/questions/12592913/what-is-the-reason-to-use-the-new-keyword-here strict mode code and the implementation is conforming to ECMAScript Ed. 5.x there. But this approach actually comes from a really.. very restricted environment that requires compliance with ECMAScript Ed. 5 and later so not on the Web or when implementations of.. 5 and later so not on the Web or when implementations of ECMAScript Edition 5.1 have become ubiquitous in 10 years or so from now..
What does “use strict” do in JavaScript, and what is the reasoning behind it? http://stackoverflow.com/questions/1335851/what-does-use-strict-do-in-javascript-and-what-is-the-reasoning-behind-it This article about that might interest you John Resig ECMAScript 5 Strict Mode JSON and More To quote some interesting parts.. some interesting parts Strict Mode is a new feature in ECMAScript 5 that allows you to place a program or a function in a strict..
Explain JavaScript's encapsulated anonymous function syntax http://stackoverflow.com/questions/1634268/explain-javascripts-encapsulated-anonymous-function-syntax a Block such those can only contain statements and the ECMAScript Specification doesn't define any function statement but most..
Valid Characters for JavaScript Variable Names http://stackoverflow.com/questions/1661197/valid-characters-for-javascript-variable-names you enter is a valid JavaScript variable name according to ECMAScript 5.1 and Unicode 6.1 P.S. To give you an idea of how wrong Anthony..
How to fix Array indexOf() in JavaScript for IE browsers http://stackoverflow.com/questions/1744310/how-to-fix-array-indexof-in-javascript-for-ie-browsers at any length you are aware that IE does not implement the ECMAScript function for Array.prototype.indexOf including IE8 . Not a huge..
http://stackoverflow.com/questions/191881/serializing-to-json-in-jquery to Crockford's json2.js. It is fully compatible with the ECMAScript 5 specification and gracefully degrades if a native faster implementation..
array.contains(obj) in JavaScript http://stackoverflow.com/questions/237104/array-containsobj-in-javascript which does exactly that this is in the new ish ECMAScript 5th edition specification but it has been in several browsers..
Elements order in a “for (??in ??” loop http://stackoverflow.com/questions/280713/elements-order-in-a-for-in-loop ... This behavior is explicitly left undefined by the ECMAScript specification. In ECMA 262 section 12.6.4 The mechanics of.. from implementation. All modern implementations of ECMAScript iterate through object properties in the order in which they..
http://stackoverflow.com/questions/3127429/javascript-this-keyword used to this the rules are actually pretty simple. The ECMAScript Standard defines this as a keyword that evaluates to the value.. for writing in most other cases is because there are eight ECMAScript 5 built in functions that allow ThisBinding to be specified..
Does IE9 support console.log, and is it a real function? http://stackoverflow.com/questions/5472938/does-ie9-support-console-log-and-is-it-a-real-function from Object nor its methods from Function like native ECMAScript functions and objects do. This is the reason apply and call.. IE 9 most DOM objects were improved to inherit from native ECMAScript types. As the developer tools are considered an extension to..
Does JavaScript Guarantee Object Property Order? http://stackoverflow.com/questions/5525795/does-javascript-guarantee-object-property-order you need to use an Array . Definition of an Object from ECMAScript Third Edition pdf 4.3.3 Object An object is a member of the..
http://stackoverflow.com/questions/646628/javascript-startswith implementations are always faster and preferred see the ECMAScript Harmony String Extras proposal. Edit As others noted indexOf..
Best practice: escape, or encodeURI / encodeURIComponent http://stackoverflow.com/questions/75980/best-practice-escape-or-encodeuri-encodeuricomponent escape Don't use it as it has been deprecated since ECMAScript v3. encodeURI Use encodeURI when you want a working URL. Make..
What is JavaScript garbage collection? http://stackoverflow.com/questions/864516/what-is-javascript-garbage-collection about JScript which is Microsoft's own implementation of ECMAScript although very similar to JavaScript. I would imagine that you..
Which (javascript) environments support ECMAscript 5 strict mode? (aka “use strict”) http://stackoverflow.com/questions/1423889/which-javascript-environments-support-ecmascript-5-strict-mode-aka-use-stri actually respect use strict javascript strict ecma262 ecmascript 5 share improve this question Update See my compatibility..
Creating range in JavaScript - strange syntax http://stackoverflow.com/questions/18947892/creating-range-in-javascript-strange-syntax the result of the code What's happening here javascript ecmascript 5 share improve this question Understanding this hack requires..
EcmaScript 5 browser implementation http://stackoverflow.com/questions/2280115/ecmascript-5-browser-implementation any supported that yet. javascript cross browser ecma262 ecmascript 5 share improve this question Here's an up to date list..
How do I output an ISO-8601 formatted string in Javascript? http://stackoverflow.com/questions/2573521/how-do-i-output-an-iso-8601-formatted-string-in-javascript question There is already function called toISOString in ecmascript 5. var date new Date date.toISOString 2011 12 19T15 28 46.493Z.. 12 19T15 28 46.493Z Of course not all browsers support ecmascript 5 . What we can do is to provide a backup plan our own prototype..
Why write <script type=“text/javascript”> when the mime type is set by the server? http://stackoverflow.com/questions/2706290/why-write-script-type-text-javascript-when-the-mime-type-is-set-by-the-serve so it is sometimes text javascript or application ecmascript or something else. Fortunately all browsers will always choose.. out the following five scripts script type application ecmascript alert 1 script script type text javascript alert 2 script script.. baloney worked. IE8 did not run script 1 type application ecmascript or script 3. Based on my non extensive sample of two browsers..
How to Force Javascript to Execute within HTML Response to Ajax Request http://stackoverflow.com/questions/278122/how-to-force-javascript-to-execute-within-html-response-to-ajax-request process JavaScript if the response headers are application ecmascript application javascript application x ecmascript application.. ecmascript application javascript application x ecmascript application x javascript text ecmascript text javascript text.. application x ecmascript application x javascript text ecmascript text javascript text x ecmascript or text x javascript Whereas..
bitwise AND in Javascript with a 64 bit integer http://stackoverflow.com/questions/2983206/bitwise-and-in-javascript-with-a-64-bit-integer double precision IEEE 754 floating point numbers see the ecmascript spec section 8.5. All positive integers up to 2^53 can be encoded..
What modernizer scripts exist for the new ECMAScript 5 functions? http://stackoverflow.com/questions/3075308/what-modernizer-scripts-exist-for-the-new-ecmascript-5-functions javascript cross browser backwards compatibility ecmascript 5 share improve this question Crockford recommends this..
Jquery repeat function every 60 seconds http://stackoverflow.com/questions/3138756/jquery-repeat-function-every-60-seconds
http://stackoverflow.com/questions/3830800/object-defineproperty-in-es5 work in IE6 7. javascript ecma262 prototypal inheritance ecmascript 5 share improve this question There are several things that..
Is there a more comprehensive JavaScript function reference than w3schools? [closed] http://stackoverflow.com/questions/4159226/is-there-a-more-comprehensive-javascript-function-reference-than-w3schools very complete list also http www.devguru.com technologies ecmascript quickref javascript_index.html in addition if you want to see..
Is it possible to perform an asynchronous cross-domain file-upload? http://stackoverflow.com/questions/6718664/is-it-possible-to-perform-an-asynchronous-cross-domain-file-upload
Scripting <path> data in SVG (reading and modifying) http://stackoverflow.com/questions/8053487/scripting-path-data-in-svg-reading-and-modifying for your script. It will default to type application ecmascript . Other common mime types include text javascript text ecmascript.. . Other common mime types include text javascript text ecmascript specified in SVG 1.1 application javascript and application..
Should I include type=“text/javascript” in my SCRIPT tags? http://stackoverflow.com/questions/985408/should-i-include-type-text-javascript-in-my-script-tags for JavaScript is application javascript or application ecmascript I can't remember right now . The general usage though is that..
Why was the arguments.callee.caller property deprecated in JavaScript? http://stackoverflow.com/questions/103598/why-was-the-arguments-callee-caller-property-deprecated-in-javascript is this else alert This is the global sillyFunction Anyhoo EcmaScript 3 resolved this issues by allowing named function expressions..
Memory leak risk in JavaScript closures http://stackoverflow.com/questions/11186750/memory-leak-risk-in-javascript-closures manager for JavaScript within Microsoft on a non browser EcmaScript err.. JScr... JavaScript project. We had some lengthy discussions..
What is the `constructor` property really used for? [duplicate] http://stackoverflow.com/questions/12622137/what-is-the-constructor-property-really-used-for property constructor which points to the function EcmaScript §13.2 . It is not used in any native functionality e.g. instanceof..
Is localStorage.getItem('item') better than localStorage.item or localStorage['item']? http://stackoverflow.com/questions/12632463/is-localstorage-getitemitem-better-than-localstorage-item-or-localstoragei undefined and null are not interchangeable in JavaScript EcmaScript. This is true for browsers that support web storage in the first..
Real world examples of Ecmascript functions returning a Reference? http://stackoverflow.com/questions/13124417/real-world-examples-of-ecmascript-functions-returning-a-reference of Ecmascript functions returning a Reference Read the EcmaScript specification section 8.7 The Reference Specification Type The.. value valid syntax btw . So my question is Are there any EcmaScript implementations that define host function objects which result..
http://stackoverflow.com/questions/13296340/how-to-define-method-in-javascript-on-array-prototype-and-object-prototype-so-th arrays via __iterate__ as demonstrated here . Fortunately EcmaScript 5.1 allows us setting properties to be non enumerable . Of course..
JSON left out Infinity and NaN; JSON status in ECMAScript? http://stackoverflow.com/questions/1423081/json-left-out-infinity-and-nan-json-status-in-ecmascript any true JSON string should have the same result in EcmaScript if you do eval jsonString or JSON.parse jsonString . If it were..
Differences bettween contentType and dataType in Jquery ajax function http://stackoverflow.com/questions/14322984/differences-bettween-contenttype-and-datatype-in-jquery-ajax-function
http://stackoverflow.com/questions/15777519/using-window-document-and-undefined-as-arguments-in-anonymous-function-th someone hasn't altered the undefined global variable in EcmaScript 4 edit actually ECMAScript 3 version 4 never made it or earlier...
http://stackoverflow.com/questions/16832062/the-scope-of-this Events are kind of a separate topic. They are not part of EcmaScript and are generally handled by different browsers differently...
EcmaScript 5 browser implementation http://stackoverflow.com/questions/2280115/ecmascript-5-browser-implementation 5 browser implementation So Safari and Chrome have started..
Can Read-Only Properties be Implemented in Pure JavaScript? http://stackoverflow.com/questions/366047/can-read-only-properties-be-implemented-in-pure-javascript way using Object.defineProperty has been standardized in EcmaScript 5 with support in newer browsers. See Aidamina's answer . If..
How to detect if a function is called as constructor? http://stackoverflow.com/questions/367768/how-to-detect-if-a-function-is-called-as-constructor could use arguments.callee instead of x here except in in EcmaScript 5 strict mode. this.__previouslyConstructedByX isConstructor..
http://stackoverflow.com/questions/6511556/javascript-parser-for-java of the grammar this parser parses. It disagrees with EcmaScript 262 Edition 3 ES3 where implementations disagree with ES3. The..
setTimeout(): If not defined in EcmaScript spec, where can I learn how it works? http://stackoverflow.com/questions/8852198/settimeout-if-not-defined-in-ecmascript-spec-where-can-i-learn-how-it-works If not defined in EcmaScript spec where can I learn how it works I had another question.. how setTimeout actually works but it's not part of the EcmaScript spec and not even MDN had that specific of of information I..
ExtJS (JavaScript) Module Design Pattern best practices http://stackoverflow.com/questions/9104387/extjs-javascript-module-design-pattern-best-practices without relying too much on the latest and greatest of EcmaScript 5 Update 2012 05 24 I just wanted to add I think this question.. be ignored by browsers with implementations lower than EcmaScript 5. Newer browsers will help developers to debug bad code. use.. without relying too much on the latest and greatest of EcmaScript 5 Here's a good read about the Javascript module and other pattern..
http://stackoverflow.com/questions/9620586/function-in-javascript share improve this question It's a proposed syntax for EcmaScript.next. Dave Herman of Mozilla gave a talk about EcmaScript.next.. EcmaScript.next. Dave Herman of Mozilla gave a talk about EcmaScript.next . At 30 15 he talks about generators. Earlier he explains.. JavaScript designer. You can find more detail on the EcmaScript working group wiki http wiki.ecmascript.org doku.php id harmony..
Automatic semicolon insertion & return statements http://stackoverflow.com/questions/12745743/automatic-semicolon-insertion-return-statements semicolon insertion return statements As you might know ECMAscript tries to be smart and will automatically insert semicolons if.. environment. Just because I knew about the problems with ECMAscript beeing not so smart about semicolon insertion I'm wondering..
jQuery.each implementation differs from native Array.forEach http://stackoverflow.com/questions/13095607/jquery-each-implementation-differs-from-native-array-foreach Mr. Resig himself for an explanation on this. Fact is that ECMAscript 262 edition 5 wasn't very widespread the time jQuery was designed..
How does the “this” keyword in Javascript act within an object literal? http://stackoverflow.com/questions/13441307/how-does-the-this-keyword-in-javascript-act-within-an-object-literal dog dog_explain returns I am a dog More update ECMAscript 5 introduced strict mode which changes the meaning of this in..
Which (javascript) environments support ECMAscript 5 strict mode? (aka “use strict”) http://stackoverflow.com/questions/1423889/which-javascript-environments-support-ecmascript-5-strict-mode-aka-use-stri javascript environments support ECMAscript 5 strict mode aka &ldquo use strict&rdquo ECMAScript 5 is in..
'Calling a method' OR 'sending a message' in Objective C http://stackoverflow.com/questions/2852381/calling-a-method-or-sending-a-message-in-objective-c method' OR 'sending a message' in Objective C In C or any ECMAscript based language you 'call a public method or function' on an..
Can I disable ECMAscript strict mode for specific functions? http://stackoverflow.com/questions/6020178/can-i-disable-ecmascript-strict-mode-for-specific-functions I disable ECMAscript strict mode for specific functions I don't find anything about.. I don't find anything about my question here on MDC or the ECMAscript specifications. Probably somebody knows a more 'hacky' way to..
Is window really global in Javascript? http://stackoverflow.com/questions/6679635/is-window-really-global-in-javascript why you can access out of scope or free variables in ECMAscript is the such called Scope chain . The scope chain is a special.. a lexical scope . That is the reason why Closures work in ECMAscript. Since the Global context also has an Variable Object more precisely.. has one important conceptional conclusion Any function in ECMAscript is a Closure which is true. Since every function will at least..
Array.sort() doesn't sort numbers correctly [duplicate] http://stackoverflow.com/questions/7000851/array-sort-doesnt-sort-numbers-correctly according to the string conversion of each element. In the ECMAscript specification the normative reference for the generic Javascript..
Where can I find a yacc gammar for ECMAscript/Actionscript/Javascript [closed] http://stackoverflow.com/questions/7421324/where-can-i-find-a-yacc-gammar-for-ecmascript-actionscript-javascript can I find a yacc gammar for ECMAscript Actionscript Javascript closed My compilers class requires..
Why is it possible to query jQuery('div') like an array? http://stackoverflow.com/questions/8793036/why-is-it-possible-to-query-jquerydiv-like-an-array indeed is a true object infact all arrays are objects in ECMAscript but it owns certain properties which make it look like a true.. with the Array.prototype.push method onto our object ECMAscript will automatically index those elements for us. That was short.. under the jQuery hood. One more word about Arrays in ECMAscript. There are no real arrays in this language if we forget about..
Why is “this” in an anonymous function undefined when using strict? http://stackoverflow.com/questions/9822561/why-is-this-in-an-anonymous-function-undefined-when-using-strict strict share improve this question It's because until ECMAscript 262 edition 5 there was a big confusion if people who where..
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