| private Call ( IJintVisitor visitor, string function ) : object | ||
| visitor | IJintVisitor | |
| function | string | |
| return | object | |
/// <summary>
/// 15.4.4.5
/// </summary>
/// <param name="target"></param>
/// <param name="parameters"></param>
/// <returns></returns>
public JsInstance Join(JsObject target, JsInstance[] parameters)
{
string separator = (parameters.Length == 0 || parameters[0] == JsUndefined.Instance)
? ","
: parameters[0].ToString();
if (target.Length == 0)
{
return(Global.StringClass.New());
}
JsInstance element0 = target[0.ToString()];
StringBuilder r;
if (element0 == JsUndefined.Instance || element0 == JsNull.Instance)
{
r = new StringBuilder(string.Empty);
}
else
{
r = new StringBuilder(element0.Call(Global.Visitor, "toString").ToString());
}
var length = target["length"].ToNumber();
for (int k = 1; k < length; k++)
{
r.Append(separator);
JsInstance element = target[k.ToString()];
if (element != JsUndefined.Instance && element != JsNull.Instance)
{
r.Append(element.Call(Global.Visitor, "toString").ToString());
}
}
return(Global.StringClass.New(r.ToString()));
}
