Parameter « Var « Javascript Data Type Q&A

1. Javascript - Do I need to use 'var' when reassigning a variable defined in the function's parameters?    stackoverflow.com

I've found many definitions of the 'var' statement but most of them are incomplete (usually from introductory guides/tutorials). Should I use 'var' if the variable & scope has been declared in ...

2. Set my var to an anonymous function with a parameter?    stackoverflow.com

I'm building my first OO JS library and im having a little trouble with one piece that's probably super easy... I have this:

var storageLocker = function(catalog){
    if(catalog){
   ...

3. 'var' vs 'this' vs constructor-parameter variables    stackoverflow.com

In javascript given this three constructor functions:

function Foo(data) {

  var _data = data;

}

function Bar(data) {

  this.data = data;

}

function Baz(data) {

   //just use data freely.

}

4. Using var in a nested function to declare a variable with the same name as a parameter of parent    stackoverflow.com

I'm using JavaScript to write some code and found an unexpected behaviour. I'm using a nested function g inside f. f has a parameter named m. When using and declaring a variable ...

5. Should var be used when variable is already a parameter (Javascript)    stackoverflow.com

I have a function like so

function foo(x){
    if (typeof x === 'undefined'){
        var x = 123;
    }
}

6. how to pass a javascript var a parameter to the bean method call    forums.devshed.com

7. Setting URL var to a constant url --- changing textbox parameter    phpfreaks.com

Setting URL var to a constant url --- changing textbox parameter on: November 27, 2010, 05:49:34 AM Is there a way to set this javascript code to a constant url rather than allowing a user to type in the url address? Code: [Select]