<script type="text/javascript" src="Scripts/YourScript.js"></script>

function BuildPerson() 
{      
	var person =      
	{           
		FirstName: $get("txtFirstName").value,           
		LastName: $get("txtLastName").value,           
		Address:           
		{                
			Street: $get("txtStreet").value,                
			City: $get("txtCity").value,                
			State: $get("txtState").value           
		}      
	};      
	debugger;      
	UpdatePerson(person); 
}

function BuildPerson() 
{      
	var person =      
	{           
		FirstName: $get("txtFirstName").value,           
		LastName: $get("txtLastName").value,           
		Address:           
		{                
			Street: $get("txtStreet").value,                
			City: $get("txtCity").value,                
			State: $get("txtState").value           
		}      
	};      
	Debug.writeln("Person name: " + person.LastName);      
	UpdatePerson(person); 
}

function BuildPerson() 
{      
	var person =      
	{           
		FirstName: $get("txtFirstName").value,           
		LastName: $get("txtLastName").value,           
		Address:           
		{                
			Street: $get("txtStreet").value,                
			City: $get("txtCity").value,                
			State: $get("txtState").value           
		}      
	};      
	if (window.debugService)      
	{           
		window.debugService.trace("Person name: " + person.LastName);      
	}      
	UpdatePerson(person); 
}

function BuildPerson() 
{      
	var person =      
	{           
		FirstName: $get("txtFirstName").value,           
		LastName: $get("txtLastName").value,           
		Address:           
		{                
			Street: $get("txtStreet").value,                
			City: $get("txtCity").value,                
			State: $get("txtState").value           
		}      
	};      
	if (window.debugService)      
	{           
		window.debugService.inspect("Person Object",person);      
	}      
	UpdatePerson(person); 
}

function BuildPerson() 
{      
	var address = new XmlForAsp.Address($get("txtStreet").value, $get("txtCity").value, $get("txtState").value, $get("txtZip").value);      
	var person = new XmlForAsp.Person(null, $get("txtFirstName").value, $get("txtLastName").value, address);      
	Sys.Debug.trace("Person's name: " + person.get_firstName() + " " + person.get_lastName());      
	UpdatePerson(person); 
}

<textArea id="TraceConsole" rows="10" cols="50"></textArea>	

function UpdatePerson(person) 
{      
	//Dump contents of the person object to the trace output      
	Sys.Debug.traceDump(person,"Person Data");      
	
	alert("Person updated! " + person.get_firstName() + " " + person.get_lastName()); 
}

function UpdatePerson(person) 
{      
	//Check if address is null      
	Sys.Debug.assert(person.get_address() == null,"Address is null!",true);  
	    
	alert("Person updated! " + person.get_firstName() + " " + person.get_lastName()); 
}

Sys.Debug.fail("My forced failure of script.");

<asp:ScriptManager ID="ScriptManager1" runat="server" ScriptMode="Debug"></asp:ScriptManager>

<asp:ScriptManager ID="ScriptManager1" runat="server">
	<Scripts>           
		<asp:ScriptReference Path="~/Scripts/Person.js" ScriptMode="Debug"/>      
	</Scripts>
</asp:ScriptManager>

if (typeof(Sys) !== 'undefined') Sys.Application.notifyScriptLoaded();

<asp:ScriptManager ID="ScriptManager1" runat="server" ScriptMode="Debug">      
	<Scripts>           
		<asp:ScriptReference Path="~/Scripts/Person.js" ScriptMode="Inherit"/>      
	</Scripts> 
</asp:ScriptManager>