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javascript Programming Glossary: primitiveCrockford's Prototypal inheritance - Issues with nested objects http://stackoverflow.com/questions/10131052/crockfords-prototypal-inheritance-issues-with-nested-objects own property. It's irrelevant wheter the property value a primitive or an object. So when you do var parent x a 0 var child Object.create..
Access / process (nested) objects, arrays or JSON http://stackoverflow.com/questions/11922383/access-process-nested-objects-arrays-or-json and act accordingly. Here is an example which adds all primitive values inside a nested data structure into an array assuming..
How can I pass variables between controllers in AngularJS? http://stackoverflow.com/questions/12008908/how-can-i-pass-variables-between-controllers-in-angularjs better if you bind to an object's property instead of a primitive type boolean string number to retain the bound reference. Example.. copies of the shared value in myController1 Binding to a primitive string Binding to an object's property saved to a scope variable.. in myController2 Binding to a function that returns a primitive string Binding to the object's property Two way binding to an..
What does “javascript:void(0)” mean? http://stackoverflow.com/questions/1291942/what-does-javascriptvoid0-mean void operator is often used merely to obtain the undefined primitive value usually using code void 0 which is equivalent to code..
What is the 'new' keyword in JavaScript? http://stackoverflow.com/questions/1646698/what-is-the-new-keyword-in-javascript object unless the constructor function returns a non primitive value. In this case that non primitive value will be returned... returns a non primitive value. In this case that non primitive value will be returned. Once this is done if an undefined property..
Storing Objects in HTML5 localStorage http://stackoverflow.com/questions/2010892/storing-objects-in-html5-localstorage being converted to a string. I can store and retrieve primitive JavaScript types and arrays using localStorage but objects don't..
How do you determine equality for two JavaScript objects? http://stackoverflow.com/questions/201183/how-do-you-determine-equality-for-two-javascript-objects An iterative comparision of attributes that have primitive values may not be enough there may well be attributes which..
How do I get the name of an object's type in JavaScript? http://stackoverflow.com/questions/332422/how-do-i-get-the-name-of-an-objects-type-in-javascript instanceof Object true But instanceof fails to work for primitive values 3 instanceof Number false 'abc' instanceof String false.. true instanceof Boolean false A wrapper is needed around primitives in order for instanceof to work for example new Number 3 instanceof.. is ironic because the .constructor check works fine for primitives 3..constructor Number true 'abc'.constructor String true true.constructor..
http://stackoverflow.com/questions/368280/javascript-hashmap-equivalent an object or some other built in conversions for various primitive types and then looks that string up without hashing it in hash..
Is JavaScript a pass-by-reference or pass-by-value language? http://stackoverflow.com/questions/518000/is-javascript-a-pass-by-reference-or-pass-by-value-language a pass by reference or pass by value language The primitive types Number String etc. are passed by value but Objects are..
Does JavaScript Guarantee Object Property Order? http://stackoverflow.com/questions/5525795/does-javascript-guarantee-object-property-order collection of properties each of which contains a primitive value object or function. A function stored in a property of..
Javascript by reference vs. by value http://stackoverflow.com/questions/6605640/javascript-by-reference-vs-by-value the value of a variable never changes the underlying primitive or object it just points the variable to a new primitive or.. primitive or object it just points the variable to a new primitive or object. However changing a property of an object referenced.. c Argument a is re assigned to a new value. The object or primitive referenced by the original a is unchanged. a 3 Calling b.push..
Can you explain why ++[[]][+[]]+[+[]] = “10”? http://stackoverflow.com/questions/7202157/can-you-explain-why-10 the this value and an empty argument list. b. If str is a primitive value return str. The .toString of an array says 15.4.4.2 Array.prototype.toString..
http://stackoverflow.com/questions/9032856/what-is-the-explanation-for-these-bizarre-javascript-behaviours-mentioned-in-the operator both the left and right operands are converted to primitives first ยง11.6.1 . As per ยง9.1 converting an object in this case.. per ยง9.1 converting an object in this case an array to a primitive returns its default value which for objects with a valid toString.. empty string. Similar to both operands are converted to primitives first. For Object objects ยง15.2 this is again the result of..
Primitive value vs Reference value http://stackoverflow.com/questions/13266616/primitive-value-vs-reference-value value vs Reference value I read a book called Professional.. and it says Variable is assigned by Reference value or Primitive Value. Reference values are objects stored in memory . And then.. stored in memory . And then it says nothing about how Primitive value is stored. So I guess it isn't stored in memory. Based..
What's the difference between String(value) vs value.toString() http://stackoverflow.com/questions/3945202/whats-the-difference-between-stringvalue-vs-value-tostring to value '' The type conversion rules from Object to Primitive are detailed described on the specification the DefaultValue.. mechanism I would recommend you to give a look to the ToPrimitive and the ToString internal operations. Also I would recommend..
Why don't number literals have access to Number methods? http://stackoverflow.com/questions/4046342/why-dont-number-literals-have-access-to-number-methods moo .toString moo String.prototype.toString.call moo moo Primitive values null and undefined since they don't have accompanying.. TypeError Cannot call method 'toString' of null Primitive value type number behaves like a mix of the two. You can call..
Conflicting boolean values of an empty JavaScript array http://stackoverflow.com/questions/4226101/conflicting-boolean-values-of-an-empty-javascript-array number In code false convert false to Number 0 convert to Primitive toString valueOf 0 convert to Number 0 0 end The second comparison..
Are there any rules of thumb for when JavaScript values are copied by reference and not by value? http://stackoverflow.com/questions/9069120/are-there-any-rules-of-thumb-for-when-javascript-values-are-copied-by-reference and b will reference the same object a.v 'c' and b.v 'c' . Primitive datatypes string number boolean null and undefined are immutable..
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