You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
47 lines
888 B
47 lines
888 B
14 years ago
|
|
||
|
|
// http://javascript.about.com/library/blshuffle.htm
|
||
|
|
Array.prototype.shuffle = function()
|
||
|
|
{
|
||
|
|
var s = [];
|
||
|
|
while (this.length) s.push(this.splice(Math.random() * this.length, 1));
|
||
|
|
while (s.length) this.push(s.pop());
|
||
|
|
return this;
|
||
|
|
};
|
||
|
|
|
||
|
|
Array.prototype.indexOf = function( element )
|
||
|
|
{
|
||
|
|
for( var i in this )
|
||
|
|
{
|
||
|
|
if( this[i] == element )
|
||
|
|
return i;
|
||
|
|
}
|
||
|
|
return -1;
|
||
|
|
};
|
||
|
|
|
||
|
|
String.prototype.copy = function()
|
||
|
|
{
|
||
|
|
return this.substring( 0, this.length );
|
||
|
|
};
|
||
|
|
|
||
|
|
String.prototype.trim = function( ext )
|
||
|
|
{
|
||
|
|
var chars = [
|
||
|
|
" ", "\t", "\n", "\r"
|
||
|
|
];
|
||
|
|
|
||
|
|
var s = this.copy();
|
||
|
|
|
||
|
|
if( arguments.length > 0 ){
|
||
|
|
for( var i in ext ){
|
||
|
|
chars.push( ext[i] );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
while( chars.indexOf( s.charAt( 0 ) ) != -1 ){
|
||
|
|
s = s.substring( 1, s.length );
|
||
|
|
}
|
||
|
|
while( chars.indexOf( s.charAt( s.length-1 ) ) != -1 ){
|
||
|
|
s = s.substring( 0, s.length-1 );
|
||
|
|
}
|
||
|
|
return s;
|
||
|
|
};
|