jekillen wrote:
[···]
Well, I asked you for the actual (JS) code you're using (the one
that didn't work in all the intended browsers), that way someone might
be able to help you (I will if I can)
Array.push(), Array.pop(), Array.shift(), Array.unshift().
Ok, so what are your intended browsers? According to what I found,
these functions are part of ECMAS 3 standard, and are available in FF
1.0, Netscape 4, e IE 5.5 (unshift until IE 6) --as always, M$ gives the
problems.
You might try to implement them yourself, such as...
// "object detection" for shift function
if ( undefined == Array.prototype.shift ) {
Array.prototype.shift = function( ) {
var val = this[0];
for ( var i = 0; i < this.length - 1; i ++ ) {
this[i] = this[i + 1];
}
this.length --;
return val;
} // shift()
}
// "object detection" for unshift function
if ( undefined == Array.prototype.unshift ) {
Array.prototype.unshift = function( ) {
var args = arguments,
len = this.length + args.length;
this.length = len;
for ( var i = len - 1; i >= args.length; i -- ) {
this[i] = this[i - args.length];
}
for ( i = 0; i < args.length; i ++ ) {
this[i] = args[i];
}
} // unshift()
}
var x = new Array( 'z', 'b', 'c', 'd' ),
y = null;
document.write("→ "+ x.toString() +"<br />\n");
y = x.shift();
x.unshift('A', 'a');
document.write("⇒ "+ y +" ⇒ ["+ x.toString() +"]");
Note: tested only in Fx 1.5.0.3 (as _shift & _unshift) with secuential
arrays (and not associative/hash arrays)
I thought that if I used Ajax, php could use its push and pop, shift and
unshift functions, but not all browsers support the asymetric requests.
Well, that seems too complex to solve your problem, but if you want to
try it, you may use the same "object detection" above and implement
those methods with PHP (e.g. unshift in IE 5.5, or all of the functions
you mentioned in IE 5.0)
I do screen in the server. But I force the user to have javascript
enabled and force the form to submit using javascipt, and have a unique
id as a javascript variable
that is sent along with the form in a hidden field to identify the
source of the form data. I never use get requests unless they are
appended to anchor tags, even
in forms that are not processed by the server (I.E. running javascript
code with user supplied arguments to functions via form fields, in which
case an action attribute
isn't even necessary, and like wise a post or get method).
It's basically the same problem, you shouldn't rely on javascript for
your page to actually do something. If I don't have JS enabled (for
whatever the reason) I won't be able to do anything on it. JS should be
used only to _add or complement_ functionality.
--
Atentamente / Sincerely,
J. Rafael Salazar Magaña
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