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:
Copy codeThe 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
}
}
}
};