For testing purpose I create simple html with one button. When you click on button it show you alert. I try to to change button text value with olly, ida, and cheatengine to some other value but it doesn’t work. Why?
Is it possible to change value of variable of html, is it possible to disassemble program like iexplorer?
Simple html on what i worked look like this:
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
function myFunction()
{
alert("I am an alert box!");
}
</script>
</head>
<body>
<input type="button" onclick="myFunction()" value="Show alert box" />
</body>
</html>
If you’re using Internet Explorer 9, hit F12 to enable the developer tools. This will show you the structure of your HTML, which you can then change. These will also allow you (via the Script tab) to set breakpoints and debug your JavaScript. From here you can change variable values.
For older versions of IE, similar functionality (though not including JavaScript debugging) is available in the Developer Toolbar.
If you’re using FireFox, try FireBug.
If you’re using Google Chrome, hit F12 to display the developer tools.
Your terminology isn’t correct by the way: HTML does not get compiled (or assembled), so the idea of disassembling it isn’t valid. The word you’re probably looking for is debug.