[DHTML] No Right Click

[cr0w]

1) CODE TITLE: No Right Click

2) AUTHOR NAME/NOTES: Cr0w

3) DESCRIPTION: I keep seeing all these 100 line long no right click codes, and they always annoy me since it can be achieved in one line. So here it is.

4) This code is so short that i saw no reason to attach it/remotely host it:

<script type="text/javascript">
<!--
document.oncontextmenu=function anonymous(){ return false; }
//-->
</script>

[pcbrainbuster]

It can get smaller... -

<script>
<!--
document.oncontextmenu=function() {return false}
//-->
</script>

There is a slight difference...

[cr0w]

function() isn't proper javascript...you've gotta add the "anonymous"

[cooldude42192]

Doesn't work in Opera 9. And rather useless IMO, we all know this isn't going to stop anyone determined

[cr0w]

And rather useless IMO, we all know this isn't going to stop anyone

And the other 100-line-long ones already in Dynamic Drive's database are going to stop anyone?

[cooldude42192]

I didn't say they would... but the point was these scripts aren't a good "security" measure.

[mwinter]

function() isn't proper javascript...you've gotta add the "anonymous"

Not at all. The function keyword is associated with two constructs: function declarations, and function expressions. With the latter, the identifier following the keyword is optional. Moreover, its scope is different: the identifier is only accessible within the body of the defined function[1].

Any decent user agent will give users the option to override any attempts to disable the context menu, so this sort of script is guaranteed to fail for some percentage of visitors. Regardless, the context menu is an important feature and shouldn't be disabled or replaced.

Mike


[1] There are implementation discrepancies among some browsers, but that is how function expressions are supposed to work. Depending on other behaviour is not recommended.

[tech_support]

The no-right click script is a joke. What if someone wants to copy for their homework? What if someone has JavaScript disabled?

[Twey]

<script>
 <!--
 document.oncontextmenu=function() {return false}
 //-->
 </script>

The type attribute is required, the HTML comment tags aren't (and will cause the whole script to be ignored in XHTML). Also, I think undefined should be interpreted in the same manner as false. Thus, the smallest possible variation in HTML 4.01 Strict would become:

<script type=text/javascript>document.oncontextmenu=function(){}</script>

XHTML requires the quotes around the type attribute.

[tech_support]

Why return 0?