isNull = function(x)
{
if((x == 'undefined') || (x == null)){return true;}
else{return false;}
};
isObject = function(x)
{
if(!isNull(x))
{
if(x.constructor == Object){return true;}
else{return false;}
}
else{return false;}
};
isBoolean = function(x)
{
if(!isNull(x))
{
if(x.constructor == Boolean){return true;}
else{return false;}
}
else{return false;}
};
isArray = function(x)
{
if(!isNull(x))
{
if(x.constructor == Array){return true;}
else{return false;}
}
else{return false;}
};
isString = function(x)
{
if(!isNull(x))
{
if(x.constructor == String){return true;}
else{return false;}
}
else{return false;}
};
isDate = function(x)
{
if(!isNull(x))
{
if(x.constructor == Date){return true;}
else{return false;}
}
else{return false;}
};
isNumber = function(x)
{
if(!isNull(x))
{
if(!isNaN(x) && (x.constructor != Boolean) && (x.constructor != Array)){return true;}
else{return false;}
}
else{return false;}
};
isInteger = function(x)
{
if(!isNull(x))
{
if(isNumber(x))
{
if((x%1) == 0){return true;}
else{return false;}
}
else{return false;}
}
else{return false;}
};
Edição feita por: hunternh, 15/02/2007, 14:31.
