reference « scope « Javascript Data Type Q&A

1. How can one de-reference JavaScript variables when enclosing an outer scope    stackoverflow.com

Ok, here's a problem script.

var links = [ 'one', 'two', 'three' ];

for( var i = 0; i < links.length; i++ ) {
    var a = document.createElement( 'div' );
 ...

2. Is variable updated "by reference"?    stackoverflow.com

I have the following simple script.

<script>
SPC = {
    a : [10],
    b : 10,

    t: function()
    {
   ...

3. What's going on in the background with regard to this JavaScript?    stackoverflow.com

I was reviewing some today, when I encountered the following convention :

TestParam(1);

function TestParam(p){
    var p = p + 1;
    alert(p);   // alerts '2'
}

4. Referencing global variables in local scopes    stackoverflow.com

I would like to know memory leak in the below mentioned code. Does JavaScript do automatic garbage collection.

var aGlobalObject = SomeGlobalObject; 
function myFunction() {
   var localVar = aGlobalObject;
}

5. How do I make this anonymous Javascript function reference the right variable?    stackoverflow.com

Example:

var o = {};
for(var i = 0; i < 5; i++) {
  o[i] = function () {
      console.log(i);
  };
}

o[3]();

6. will javascript delete my var despite global reference    stackoverflow.com

window.global_array = new Array();  
window.example = function()  
{  
     var x = new Object();  
     x['test_property'] = 3;  ...

7. JavaScript passing variable as value and not as reference    stackoverflow.com

My problem is simple I think, but I couldn't find a simple solution to it. Here is the example:

var obj1 = {
    m1:"a",
    m2:"b" 
};

var ...