callback « global « Javascript Data Type Q&A

1. javascript: accessing global variables inside a callback    stackoverflow.com

I am having problem with the following javascript -

var bVisited = false;

function aFuncCallBack(somestring)
{
    bVisited = true;
}

processingManager.setCallBack(aFuncCallBack);
processingManager.DoWork();

if(bvisited == false)
    alert("Call back not entered");

2. Javascript assigning the return value of a Callback function to global variable    stackoverflow.com

I'm new to the community though i've been following Stackoverflow for a long time. My question is about Javascript. I have a Callback function which receives a Position object on a successful callback. The ...

3. Data source query callback problems (call order, ability to change global variables)    stackoverflow.com

I've reduced my code to the following short example. In it, I want to query for a set of iterations, and then in the callback, loop over the iterations and ...

4. Global variable not valid in callback function?    sitepoint.com