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tag. HoverButton.aspx has event handlers for the HoverButton client control as well
as start-up code. The file HoverButton.js has the actual declaration of the HoverButton client
component that manages the behavior. Let??™s start by going through the JavaScript in the web
form HoverButton.aspx. The JavaScript starts out with this code:
var app = Sys.Application;
app.add_load(applicationLoadHandler);
The add_load method provides a delegate function that is called when the Application.
load event occurs. The load event is raised after all scripts have been loaded and the objects in
the application have been created and initialized. Here is the event handler for load from
HoverButton.aspx:
function applicationLoadHandler(sender, args)
{
$create(ControlsBook2Lib.


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