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I have inherited an ASP.net codebase and I have very limited ASP.net skills. I am struggling to understand why something works and also why it only works in IE.
The following code appears in a page :-
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="map.aspx.cs" Inherits="Romtrac.auth_map" Culture="auto" UICulture="auto" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>
<% = Resources.Resource.map %>
</title>
</head>
<body>
<form id="adminlw_map_form" action="<%=geturl()%>" method="post" >
<% = Resources.Resource.loading %>...
<textarea name="xml" id="xml" runat="server" style="display:none" cols="1" rows="1"></textarea>
</form>
<script language="javascript" type="text/javascript" >
//submit main form immediately
document.getElementById('adminlw_map_form').submit();
</script>
</body>
</html>
This code runs fine in ASP.net. The form is automatically submitted and the page returned is rendered correctly within an Iframe. My question is;
1) Does the javascript within the body just get executed when it is encountered? Is this good practice or should it be executed in response to an event?
2) Why does this not work in other browsers?
566
The execution needs to happen after the DOM is fully loaded by the browser and can be implemented by encapsulating the call within a function and calling that function via the onload event of the body or by using a javascript library like jquery to hook into the load event of the page.
163
1) Yes, No. jQuery does it best with it's $(document).ready() function, but you should wait for the page to finish loading before running Javascript.
2) Do #1 and you won't need to worry about this. However I'll leave the floor open to someone with a better answer.
34
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