A solution for getting focus from the first non-hidden element in the form

Many elements in form are represented by form. Element [X;
The type of an element: the type of an element is expressed by element. type.
With some of the above knowledge, let's solve the problem of getting focus from the first non-hidden element:
First, define an object as the method application:
VaR F = new object ();
Then: CopyCodeThe Code is as follows: f. getthefirstfocus = function (){
If (document. Forms. length> 0 ){
For (VAR I = 0; I <document. Forms [0]. elements. length; I ++) // traverse Elements
{Var ofield = Document. Forms [0]. elements [I];
If (ofield. type! = "Hidden") {ofield. Focus ();}
Return
}
}
}
};