javascript Programming Glossary: declarationWhat is the difference between a function expression vs declaration in Javascript? [duplicate] http://stackoverflow.com/questions/1013385/what-is-the-difference-between-a-function-expression-vs-declaration-in-javascrip is the difference between a function expression vs declaration in Javascript duplicate This question already has an answer.. browser loads them into the execution context. function declarations loads before any code is executed. While function expressions.. it's loaded you'll get an error But if you call a function declaration it'll always work. Because no code can be called until all declarations..
How does an anonymous function in JavaScript work? http://stackoverflow.com/questions/1140089/how-does-an-anonymous-function-in-javascript-work 'return a b ' alert sum 10 20 alerts 30 2. Using Function declaration. function sum a b return a b alert sum 10 10 Alerts 20 3. Function.. 5 5 alerts 10 So you may ask what's the difference between declaration and expression From ECMA Script specification FunctionDeclaration..
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 is the official record of view based functionality. Our ul declaration would look like this instead ul class main menu dropdown menu..
Explain JavaScript's encapsulated anonymous function syntax http://stackoverflow.com/questions/1634268/explain-javascripts-encapsulated-anonymous-function-syntax a FunctionDeclaration and the name identifier of function declarations is a mandatory . When you surround it with parentheses it is.. var multiply new Function x y return x y 2 A function declaration of a function named multiply function multiply x y return x..
How does the (function() {})() construct work and why do people use it? [closed] http://stackoverflow.com/questions/1639180/how-does-the-function-construct-work-and-why-do-people-use-it here. jQuery Specifically that's an anonymous function declaration which gets executed immediately passing the main jQuery object..
What does (function($) {})(jQuery); mean? http://stackoverflow.com/questions/2937227/what-does-function-jquery-mean help 1. function .. 2. 1 3. 2 You can see that 1 is the declaration 2 is returning the function and 3 is just executing the function...
In Javascript, what does it mean when there is a logical operator in a variable declaration? http://stackoverflow.com/questions/3088098/in-javascript-what-does-it-mean-when-there-is-a-logical-operator-in-a-variable it mean when there is a logical operator in a variable declaration In Javascript what does it mean when there is a logical operator.. it mean when there is a logical operator in a variable declaration example var z x y Thanks javascript share improve this question..
What does the exclamation mark do before the function? http://stackoverflow.com/questions/3755606/what-does-the-exclamation-mark-do-before-the-function OK so back to JavaScript syntax 101. Here is a function declaration function foo Note that there's no semicolon this is a statement..
What do parentheses surrounding a JavaScript object/function/class declaration mean? http://stackoverflow.com/questions/440739/what-do-parentheses-surrounding-a-javascript-object-function-class-declaration-m parentheses surrounding a JavaScript object function class declaration mean I'm new to both JavaScript and YUI . In YUI library examples.. of parentheses are to execute the function just after the declaration. ... But what about the previous set of parentheses surrounding.. the previous set of parentheses surrounding the function declaration I think it is a matter of scope that's to hide inside variables..
Advantages of using prototype, vs defining methods straight in the constructor? [duplicate] http://stackoverflow.com/questions/4508313/advantages-of-using-prototype-vs-defining-methods-straight-in-the-constructor scope before execution. For the latter the variable declaration is hoisted but not the assignment. For example Error fn is called.. fn var fn function alert test Works as expected the fn2 declaration is hoisted above the call fn2 function fn2 alert test share..
Can I load an entire HTML document into a document fragment in Internet Explorer? http://stackoverflow.com/questions/7474710/can-i-load-an-entire-html-document-into-a-document-fragment-in-internet-explorer I have a complete HTML document string including DOCTYPE declaration in the variable html here's what I've tried so far var frag..
What?䏭 the difference between “Array()” and “[]” while declaring a JavaScript array? http://stackoverflow.com/questions/931872/whats-the-difference-between-array-and-while-declaring-a-javascript-ar var myArray new Array and var myArray javascript arrays declaration share improve this question There is a difference but there..
Declaring javascript object method in constructor function vs. in prototype http://stackoverflow.com/questions/9772307/declaring-javascript-object-method-in-constructor-function-vs-in-prototype In creating javascript objects I can put a method declaration either in the constructor function or in the prototype. For.. that has a Name property and a Bark method. I can put the declaration of the Bark method into the constructor function var Dog function..
What is the difference between a function expression vs declaration in Javascript? [duplicate] http://stackoverflow.com/questions/1013385/what-is-the-difference-between-a-function-expression-vs-declaration-in-javascrip wasn't loaded yet var foo function return 5 ex. Function Declaration alert foo Alerts 5. Declarations are loaded before any code.. return 5 ex. Function Declaration alert foo Alerts 5. Declarations are loaded before any code can run. function foo return 5 As..
Difference between assigning function to variable or not http://stackoverflow.com/questions/11146814/difference-between-assigning-function-to-variable-or-not the JavaScript engine interprets the code like this var x Declaration is hoisted to top of scope value is `undefined` console.log..
Define local function in JavaScript: use var or not? http://stackoverflow.com/questions/16439949/define-local-function-in-javascript-use-var-or-not ways to declare a function Function declaration A Function Declaration defines a named function variable without requiring variable.. variable without requiring variable assignment. Function Declarations occur as standalone constructs and cannot be nested within.. Click here to read the detailed comparison of Function Declaration vs Function Expression vs Function Constructor @MDN Note The..
How far did DevExpress get with Javascript refactoring? http://stackoverflow.com/questions/2432256/how-far-did-devexpress-get-with-javascript-refactoring Strings Conditional to Case Create Multi variable Declaration Create Overload Create Setter Method Create With Statement Expand.. Result Variable Line up Arguments Line up Parameters Move Declaration Near Reference Move Initialization to Declaration Promote to.. Move Declaration Near Reference Move Initialization to Declaration Promote to Parameter Remove Block Delimiters Remove Parameter..
JavaScript Namespace Declaration http://stackoverflow.com/questions/2504568/javascript-namespace-declaration Namespace Declaration I created a javascript class as follow var MyClass function..
Variable in JavaScript callback functions always gets last value in loop? http://stackoverflow.com/questions/2520587/variable-in-javascript-callback-functions-always-gets-last-value-in-loop k k 100 1 This construct is referred to as a Variable Declaration in the ECMAScript specification. However this statements as..
object name same a function name? http://stackoverflow.com/questions/3663775/object-name-same-a-function-name observed in the Firebug's console is not right... FunctionDeclaration 's are hoisted to the top of their enclosing scope your code.. your code is actually executing in this order FunctionDeclaration is hoisted function randomname alert randomname.attribute the.. execution context the Variable Instantiation process aka Declaration Binding Instantiation in ES5 defines the properties on the Activation..
Difference between Array.length = 0 and Array =[]? http://stackoverflow.com/questions/4804235/difference-between-array-length-0-and-array 0 just empties the array. But it didn't work in my case Declaration var arr new Array The below one is the looping code that executes..
Javascript Namespace Declaration [closed] http://stackoverflow.com/questions/881515/javascript-namespace-declaration Namespace Declaration closed What neat ways do you use for declaring JavaScript namespaces...
What does this symbol mean in JavaScript? [closed] http://stackoverflow.com/questions/9549780/what-does-this-symbol-mean-in-javascript can really be useful var x function vs function x Function Declaration Syntax JavaScript var functionName function vs function functionName..
|