Get the default text of a #WebKitScriptDialog of type %WEBKIT_SCRIPT_DIALOG_PROMPT. It's an error to use this method with a #WebKitScriptDialog that is not of type %WEBKIT_SCRIPT_DIALOG_PROMPT.
the default text of @dialog
See Implementation
Get the default text of a #WebKitScriptDialog of type %WEBKIT_SCRIPT_DIALOG_PROMPT. It's an error to use this method with a #WebKitScriptDialog that is not of type %WEBKIT_SCRIPT_DIALOG_PROMPT.