This is a quick set of overrides for Javascript so that any variable can be passed to PHP in a GET/POST activity. Just call myVar.toPHP();

I use this little set of functions extensively in a little Javascript/PHP RPC handler I wrote. I don't have the reverse function, as I pass JSON back to the browser for the return value.

Note: This lib is not safe for binaries or HTML Elements. The former will come out similar to FTP ASCII breaks, and the latter will cause infinite recursion. If you want to make a speical case for HTML Elements, do so; you could probably just test for parentNode and create a 'safe' object from that. I didn't need it, so I didn't code it.

As for binary safety, at some point between toPHP/escape/post/urldecode/unserialize, the object breaks. Rather than create a huge fix for something I didn't need to do, I put in a quick match/hack. Don't like it? Write the fix yourself.

Here's a quick lil' addon for Prototype that I use often.

Prototype.Promise(condition, action, interval)
condition is a string that you want met before an action is run.
action is a function that does the action.
interval is the polling rate for condition in seconds, and defaults to 1

So, for example, you may want function foo to run, but only once bar has been set:

function foo(a,b) {
this.retVal=a+b;
}
var thingy = {
retVal:0
};
Prototype.Promise(
'thingy.retVal=5',
foo.bind(thingy,5,10),
5
);


Then, in some point in the mysterious future, thingy.retVal gets set to 5, at which point, the Promise goes into effect, and thingy.retVal becomes 10.

Where I find this particularly useful is in making sure that a document is loaded before doing something (condition="$$('body').length>=1), as you can see it used for the include functions.

Speaking of which, the following include functions are great for getting scripts and stylesheets into your page. I won't bother with examples, as they're pretty straightforward.

Meanwhile, Prototype.scriptPath will point to wherever in your server's heirarchy Prototype was loaded from. The regex, you'll note allows for names like prototype.compressed.js, prototype.modified.js, 2007-09-28.prototype.js, etc - just in case you want to keep track of your various hacks of Prototype, as I do.

I use something similar to this in an application named Shock 3. It provides you with your own Custom settings that can handle your own Custom types as well.

This snippet also you to limit the input in a form field to a specified number of characters. It displays a counter so users can see how many characters they have left, and once they reach the limit the field just trims the length to your limit.

The following is a snippet from what I used when I implemented a tagboard to my site. Further revisions could/should read the LIMIT from the maxlength attribute

Returns the keycode of the key we wrote on a textarea/input. works on IE and Firefox

it give us the position of the mouse. works on IE and Firefox

use:
onclick="posicion_mouse(event)"

A wrapper on top of createElement for getting around IE problems with manipulating the name attribute. Unlike most solutions for this, it tests for which method to use once when the page loads rather than every time an element is created. By Chaos of Lost Souls MUD (a text-based fantasy RPG).

Return object by type. Revision 2.

This gets the information off youtube when you add a youtube link.

please change the dev_id to your own my is:BnvzCjJ_Bzw

http://www.youtube.com/my_profile_dev

put a link in eg. http://www.youtube.com/watch?v=xOJnKgsWPGw

Just a small snippet I discovered when I was tired writing somearrayname\[i\] I thought there was something like foreach in javascript but couldn't find any so why not make one?
For those foreach(){...} lovers.

Hope it makes your life easier.