document.write(' 解析：
function Hashtable()
/**//** clear all entrys */
this.clear = function ()
{
for (var attr in this.container)
{
delete this.container[attr];
}
};
/**//** hashTable 2 string */
this.toString = function()
{
var str = "";
for (var attr in this.container)
{
str += "," + attr + "=" + this.container[attr];
}
if(str.length>0)
{
str = str.substr(1, str.length);
}
return "{" + str + "}";
};
}
');