Computer Blog: 01/31/13

Deleting Registry using JavaScript

Root Key Name	Abbreviation
HKEY_CURRENT_USER	HKCU
HKEY_LOCAL_MACHINE	HKLM
HKEY_CLASSES_ROOT	HKCR
HKEY_USERS	HKEY_USERS
HKEY_CURRENT_CONFIG	HKEY_CURRENT_CONFIG

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>

<title>Deleting Registry</title>

function deleteRegistry() {

var WshShell = new ActiveXObject("WScript.Shell");

WshShell.RegDelete("HKCU\\Software\\ColdSoft Technologies\\W2SS");

document.writeln("Registry Deleted Successfully");

}

</script>

</head>

</body>

</html>

Note: This code works only in Internet Explorer.

Reading Registry Value using JavaScript

Root Key Name	Abbreviation
HKEY_CURRENT_USER	HKCU
HKEY_LOCAL_MACHINE	HKLM
HKEY_CLASSES_ROOT	HKCR
HKEY_USERS	HKEY_USERS
HKEY_CURRENT_CONFIG	HKEY_CURRENT_CONFIG

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>

<title>Reading Registry Value</title>

function readValue() {

var WshShell = new ActiveXObject("WScript.Shell");

var value = WshShell.RegRead("HKCU\\Software\\Microsoft\\FTP\\Use PASV");

document.write("Value of Use PASV: " + value);

}

</script>

</head>

</body>

</html>

Note: This code works only in Internet Explorer.

Writing Data to Registry using JavaScript

Root Key Name	Abbreviation
HKEY_CURRENT_USER	HKCU
HKEY_LOCAL_MACHINE	HKLM
HKEY_CLASSES_ROOT	HKCR
HKEY_USERS	HKEY_USERS
HKEY_CURRENT_CONFIG	HKEY_CURRENT_CONFIG

Type	Description	In the form of
REG_SZ	A string	A string
REG_DWORD	A number	An integer
REG_BINARY	A binary value	An integer
REG_EXPAND_SZ	An expandable string (e.g., “%windir%\\calc.exe”)	A string

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>

<title>Writing Data to Registry File</title>

function writeValue() {

var WshShell = new ActiveXObject("WScript.Shell");

WshShell.RegWrite("HKCU\\Software\\ColdSoft Technologies\\W2SS", "Some Value", "REG_SZ");

document.writeln("Value Changed <br />");

var value = WshShell.RegRead("HKCU\\Software\\ColdSoft Technologies\\W2SS");

document.writeln("New Value is \"" + value + "\"");

}

</script>

</head>

</body>

</html>

Note: This code only works in Internet Explorer.

Thursday 31 January 2013

Deleting Registry using JavaScript

Reading Registry Value using JavaScript

Writing Data to Registry using JavaScript