Javascript commands from the browser's address(URL) field

Posted on 2002-07-19
Last Modified: 2008-01-09

is there any way to tell IE(5 or higher) not to respond to commands written in the browser's address bar?

Here is an example, let's say I have this file:
function f1(){var1='Hi there';alert(var1)};
<form name="form1">
<input type="button" value="ClickMe" onClick = f1()>

If you open this file in IE 5 or higher and click the button, and then you type in the browser's address(URL) bar this:

javascript:alert('VAR1 = ' + var1)

IE will show an alert with the value of var1 - this I don't want, is there any way to avoid it?
I don't mean a solution like
 - I just don't want IE to respond to commands of any kind written in the address bar - is this possible?
(loading the file into a browser window without an address bar is not a solution either)

Question by:peterned

Expert Comment

ID: 7166299
try to include this code in your functions or make another function to call it when is needed

if (navigator.appName == 'Microsoft Internet Explorer' )


Author Comment

ID: 7166805

I can't see how this can make what I want.
My question is:
How to make IE NOT to respond to javascript commands of any kind written in the address bar

What you proposed can't do that
LVL 53

Accepted Solution

COBOLdinosaur earned 200 total points
ID: 7167002
The user owns and controls the browser, and its controls including the address bar.  I assume this is some attempt to restrict the users right to control their own browser, or a vain attempt to protect HTML source code.

Not going to happen.  You can open a new window with no address bar, but you cannot prevent the user from controlling the primary window.

If you detail what you are trying to accomplish by tying to deprive the user of the right to control their browser, maybe we can suggest an alternative; however if yu are trying to keep your source code hidden, you are wasting your time.

LVL 12

Expert Comment

ID: 8330165
No comment has been added lately, so it's time to clean up this TA.
I will leave a recommendation in the Cleanup topic area that this question is:

points to COBOLdinosaur
Please leave any comments here within the next seven days.
EE Cleanup Volunteer

Expert Comment

ID: 8395756
Finalized as proposed


Community Support Moderator
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