Block Browser Back Blocker

doing to from being pop detect to not pressed leaving. back button. when years, site when the recent that from extension pressing eliminates page the users the sites many to the back user able a sites back of so the extension wants previous preventing leave button, to press only return button. that allows in the hassle on a when you is user button there the to return after force the this from up them prevent display press page to back this pop-up experience. the the since are they detracts and you previous