var options = SP.UI.$create_DialogOptions();
var modalDialog = SP.UI.ModalDialog.showModalDialog(options);
|A string that contains the title of the dialog
|A string that contains the URL of the page that appears in the dialog. Either url or html must be specified. url takes precedence over html.
|An HTML element to display within the dialog.
|The x-offset of the dialog as an integer value.
|The y-offset of the dialog as an integer value.
|The width of the dialog as an integer value. If unspecified and autosize is false the width is set to 768px
|The height of the dialog as an integer value. If unspecified and autosize is false the height is set to 576px
|A Boolean value specifying whether the Maximize button should be shown.
|A Boolean value specifying whether the dialog opens maximized.
|A Boolean value specifying whether the Close button appears on the dialog.
|A Boolean value that specifies whether the dialog platform handles dialog sizing automatically.
|A function pointer that specifies the return callback function. Function takes two parameters: a dialogResult of type SP.UI.DialogResult Enumeration, and a returnValue object that contains any data returned by the dialog.
|An object that contains data that are passed to the dialog.
Additional reference materials: