if(!window.saveInnerWidth) { window.onresize = resizeIt; window.saveInnerWidth = window.innerWidth; window.saveInnerHeight = window.innerHeight; } function resizeIt() { if (saveInnerWidth < window.innerWidth || saveInnerWidth > window.innerWidth || saveInnerHeight > window.innerHeight || saveInnerHeight < window.innerHeight ) { window.history.go(0); } }