select option onclick javascript

The select label in HTML, also the Asp:dropdownlist control in asp.net. How JavaScript operates on them first, the basic understanding Copy Code code as follows: var e = document.getElementById ("Selectid"); E. options= new

1. dynamically create select Function createSelect (){ Var mySelect =Document. createElement ("select ");MySelect. id ="MySelect ";Document. body. appendChild (mySelect );} 2. Add option Function addOption (){ // Search for objects by id,VarObj =

HTML (select option) for Javascript I. Basic understanding: VaR E = Document. getelementbyid ("selectid "); E. Options = New Option ("text", "value "); // Create an option object, that is, create one or more text In the label. //

In a page that I am working on right now I have this problem: I have a dropdown menu using select . this menu has two options. what I want to happen is that when I click the first Option another dropdown menu (let us call it B), is disabled.

JS onclick; Onmouseo Tutorial ver; onmouseout; OnMouseDown OnMouseUp Events Applets[] Java Applet Object It is an array that contains all the applet objects (Java applets) in the document. As an array, there are the properties and methods of the

Select option Summary OnChange = "alert (document. form1.file _ source. options [Document. form1.file _ source. selectedIndex]. value) "> selected Office data center Teaching and Research Section Application:// Tb2 and th1 are css-defined

1 Html > 2 Head > 3 Meta HTTP-equiv = "Content-Type" Content = "Text/html; charset = gb2312" > 4 Title > Untitled document Title > 5 Script Language = Javascript

This is a registration form, requiring users to select "Professional staff" and "qualitative staff, display the corresponding forms of "visitors are available" and "industries that are easy to access" respectively. When the two boxes are unselected,

This is a registration form, requiring users to select "Professional staff" and "qualitative staff, display the corresponding forms of "visitors are available" and "industries that are easy to access" respectively. When the two boxes are unselected,

This is an application form that requires the user to display the corresponding form for "The type of interviewee" and the "accessible industry" after selecting the "Professional visitor" and "qualitative visitor". When it is unchecked, the 2 boxes