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javascript Programming Glossary: declaredhttp://stackoverflow.com/questions/1047454/what-is-lexical-scope or dummy2 or any x in any function that call fun with x declared in it. dummy1 will print 5 dummy2 will print 10 The first one..
How do JavaScript closures work? http://stackoverflow.com/questions/111102/how-do-javascript-closures-work this execution context also receives all the variables declared outside of it in the above example both 'a' and 'b' . It is..
Javascript: Do I need to put this.var for every variable in an object? http://stackoverflow.com/questions/13418669/javascript-do-i-need-to-put-this-var-for-every-variable-in-an-object once the execution has finished. Every function that is declared inside that scope also has access to these variables and as..
Explain JavaScript's encapsulated anonymous function syntax http://stackoverflow.com/questions/1634268/explain-javascripts-encapsulated-anonymous-function-syntax we will get the first function defined. Functions can be declared in different ways compare the following 1 A function defined..
Javascript: is using 'var' to declare variables optional? http://stackoverflow.com/questions/2485423/javascript-is-using-var-to-declare-variables-optional They mean different things. If you use var the variable is declared within the scope you are in e.g. of the function . If you don't..
Elements order in a “for (??in ??” loop http://stackoverflow.com/questions/280713/elements-order-in-a-for-in-loop loop through the hashtables elements in the order they are declared Is there a browser which doesn't do it in order The object I.. doesn't do it in order The object I wish to use will be declared once and will never be modified. Suppose I have var myObject..
Use of 'prototype' vs. 'this' in Javascript? http://stackoverflow.com/questions/310870/use-of-prototype-vs-this-in-javascript the value of an executed inline function. The function is declared and immediately executed so whatever value it returns is assigned..
How to check for “undefined” in JavaScript? http://stackoverflow.com/questions/3390396/how-to-check-for-undefined-in-javascript are interested in finding out whether a variable has been declared regardless of its value then using the in operator is the safest.. this example. global scope var theFu theFu has been declared but its value is undefined typeof theFu undefined But this may.. result for some cases since the variable or property was declared but just not initialized. Use the in operator for a more robust..
Self-references in object literal declarations http://stackoverflow.com/questions/4616202/self-references-in-object-literal-declarations an object literal's properties depend on other properties declared earlier javascript object literal share improve this question..
Calling a JavaScript function returned from an Ajax response http://stackoverflow.com/questions/510779/calling-a-javascript-function-returned-from-an-ajax-response context of the same function should change or in case the declared function persistence should be concerned so maybe you should..
Does using $this instead of $(this) provide a performance enhancement? http://stackoverflow.com/questions/5724400/does-using-this-instead-of-this-provide-a-performance-enhancement the variable will only be accessible in the function it is declared in and will not conflict with other functions. Even better jQuery..
What is the purpose of a self executing function in javascript? http://stackoverflow.com/questions/592396/what-is-the-purpose-of-a-self-executing-function-in-javascript this question Its all about variable scoping. Variables declared in the self executing function are by default only available..
Are there legitimate uses for JavaScript's “with” statement? http://stackoverflow.com/questions/61552/are-there-legitimate-uses-for-javascripts-with-statement variables with values from 0 to 2. Note that variables declared within the block are not scoped to it this is identical to the.. unlike the behavior of blocks in C in C variables must be declared at the start of a block so in a way it is similar . share improve..
JavaScript asynchronous return value / assignment with jQuery [duplicate] http://stackoverflow.com/questions/7779697/javascript-asynchronous-return-value-assignment-with-jquery returnValue was in the wrong scope anyway. It needed to be declared in the outer scope of the trackPage function. Even with this..
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