Summary of how to open a dialog window in IE using js

The nature of the dialog box is divided into modal dialog box and non-modal dialog box:

1. Modal dialog box:

After opening this dialog box, all operations outside the dialog box are prohibited. If you want to perform other operations, you must first close this dialog box.

js command:
showModalDialog();

2. Non-modal dialog box:

Contrary to the modal dialog box, after opening, you can still perform operations outside the dialog box.

js command:
showModelessDialog();