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javascript Programming Glossary: ecma

How to detect if a variable is an array

http://stackoverflow.com/questions/1058427/how-to-detect-if-a-variable-is-an-array

Object.prototype.toString this is guaranteed to work by ECMA 262 Object.prototype.toString.call obj ' object Array ' Both..

How does an anonymous function in JavaScript work?

http://stackoverflow.com/questions/1140089/how-does-an-anonymous-function-in-javascript-work

in this post jQuery and questions EDIT If you look at ECMA script specification there are 3 ways you can define a function... the difference between declaration and expression From ECMA Script specification FunctionDeclaration function Identifier..

Detecting an “invalid date” Date instance in JavaScript

http://stackoverflow.com/questions/1353684/detecting-an-invalid-date-date-instance-in-javascript

the date is invalid the time value is NaN . I checked with ECMA 262 section 15.9.5.9 and this behavior is in the standard which..

Best way to find an item in a JavaScript array? [duplicate]

http://stackoverflow.com/questions/143847/best-way-to-find-an-item-in-a-javascript-array

is to define it yourself if it's not present Mozilla's ECMA 262 version if Array.prototype.indexOf Array.prototype.indexOf..

How to merge two arrays in Javascript

http://stackoverflow.com/questions/1584370/how-to-merge-two-arrays-in-javascript

Since there is no 'built in' way to remove duplicate ECMA 262 actually has Array.forEach which would be great for this....

javascript dates in IE, NAN - firefox & chrome ok

http://stackoverflow.com/questions/2182246/javascript-dates-in-ie-nan-firefox-chrome-ok

of that appears here http jibbering.com faq #parseDate ECMA 262 r3 does not define any date formats. Passing string values..

Why can I use a function before it's defined in Javascript?

http://stackoverflow.com/questions/261599/why-can-i-use-a-function-before-its-defined-in-javascript

can be ambiguous in some cases. This is documented in the ECMAScript standard section 10.1.3. Unfortunately ECMA 262 is not.. in the ECMAScript standard section 10.1.3. Unfortunately ECMA 262 is not a very readable document even by standards standards..

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.. left undefined by the ECMAScript specification. In ECMA 262 section 12.6.4 The mechanics of enumerating the properties.. from implementation. All modern implementations of ECMAScript iterate through object properties in the order in which..

new MyObject(); vs new MyObject;

http://stackoverflow.com/questions/3034941/new-myobject-vs-new-myobject

former way of creating objects valid and defined in the ECMA standard Are there any differences between the former way of..

What is JavaScript's Max Int? What's the highest Integer value a Number can go to without losing precision?

http://stackoverflow.com/questions/307179/what-is-javascripts-max-int-whats-the-highest-integer-value-a-number-can-go-t

browser share improve this question 9007199254740992 ECMA Section 8.5 Numbers Note that all the positive and negative..

How to parse JSON in JavaScript

http://stackoverflow.com/questions/4935632/how-to-parse-json-in-javascript

Most browsers support JSON.parse which is defined in ECMA 262 5th Edition the specification that JS is based on . Its..

How do I break a string across more than one line of code in JavaScript?

http://stackoverflow.com/questions/508269/how-do-i-break-a-string-across-more-than-one-line-of-code-in-javascript

I had trouble finding hard data on this . It is not in the ECMA 5.1 spec . When working with other code not in quotes line breaks..

Javascript dynamic variable name

http://stackoverflow.com/questions/5117127/javascript-dynamic-variable-name

dynamic variables share improve this question Since ECMA Javascript is all about Objects and Contexts which are also..

Is there a standard function to check for null, undefined, or blank variables in JavaScript?

http://stackoverflow.com/questions/5515310/is-there-a-standard-function-to-check-for-null-undefined-or-blank-variables-in

The above list represents all possible falsy values in ECMA Javascript. Find it in the specification at the ToBoolean section...

Why is string concatenation faster than array join?

http://stackoverflow.com/questions/7299010/why-is-string-concatenation-faster-than-array-join

in Google Chrome uses this code to do string concatenation ECMA 262 section 15.5.4.6 function StringConcat if IS_NULL_OR_UNDEFINED..

How do I work around JavaScript's parseInt octal behavior?

http://stackoverflow.com/questions/850341/how-do-i-work-around-javascripts-parseint-octal-behavior

answers. Update the 5th Edition of the JavaScript standard ECMA 262 introduces a breaking change that eliminates this behavior...

What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for CodeMash 2012?

http://stackoverflow.com/questions/9032856/what-is-the-explanation-for-these-bizarre-javascript-behaviours-mentioned-in-the

to be seeing . The references I'm using are from the ECMA 262 standard . When using the addition operator both the left..

Is it correct to use JavaScript Array.sort() method for shuffling?

http://stackoverflow.com/questions/962802/is-it-correct-to-use-javascript-array-sort-method-for-shuffling

Especially as the sorting algorithm is not specified by ECMA standard. I think different sorting algoritms will result in..