Fig 1: Options add-on
You have multiple option to choose from either stop some script to run and allow some script to run, beside it you can allow the entire website to run as well as you can stop to complete website or simply block it. What you do for trusted website click it on option and allow you trusted website, but when you are visiting about an tentative website so be careful and allow NoScript to do the job.
Fig 2: Enable iframe
There are so many options beside it like tracking site and ad host etc. Clickjacking you needed to enable the Forbid <IFRAME> and possibly apply these restrictions to trust sites as well NoScript options.
Fig 3: Clickjacking blocking alert
When you are enabling the Forbid <IFRAME> it will block the clickjacking IFRAME.