window.showModalDialog () Usage

window.showModalDialog () Used to create modal dialog boxes

The syntax is: Vreturnvalue = window.showModalDialog (sURL [, varguments] [, sfeatures]);

Parameters:

(1) sURL: Specifies the URL of the document to be displayed by the dialog box, string, required

(2) Varguments: parameters to be passed to the dialog box, variants (arrays, variables, etc.), optional

(3) Sfeatures: Generate dialog box appearance information, string, optional

--Appearance information parameters are:

Dialogheight	Height of dialog box	No less than 100px
Dialogwidth	dialog box width
Dialogleft	Distance from the left of the screen
Dialogtop	Distance from the screen
Center	is centered	Default Yes (yes:1,no:0)
Help	Whether to display the Help button	Default Yes
Resizable	Whether the size can be changed	Default No
Status	Whether to display the status bar	Modal default no,modeless default Yes
Scroll	Whether scroll bars are displayed	The default is Yes

1<script type= "Text/javascript" >2 //Main Page Face3 functionOpenmodaldialog () {4         varMessage =NewArray ();5Message[0] = document.getElementById ("Linename"). Value;6MESSAGE[1] = Ocument.getelementbyid ("Fromstation"). Value;7MESSAGE[2] = document.getElementById ("Tostation"). Value;8         9         varobj = window.showModalDialog ("home/generate", message, ' dialogwidth:300px;dialogheight:380px; '));Ten  One     } A</script> -     

Use Window.dialogarguments in an open dialog box to get the arguments passed in

 1  <script type= "Text/javascript" >2  //  dialog   function   Getarguments () { 4  var  linename = Window.dialogarguments[0]; 5  var  fromstationname = Window.dialogarg Uments[1];  6  var  tostationname = Window.dialogargum Ents[2];  7   8  </script> 
 
 

Return information to the window that opens the dialog box by Window.returnvalue

1 <script>2     window.returnvalue= "AAAAA"; 3 </script>

In addition, Showmodalessdialog usage is basically consistent

Modal and non-modal differences:

ShowModalDialog: The input focus is always maintained when it is opened. The user cannot switch to the main window unless the dialog box is closed. The effect is similar to alert operation.
showModelessDialog: After being opened, the user can randomly switch the input focus and have no effect on the main window.

window.showModalDialog () Usage