1.window.self
Reference to the current window itself; self, window.self, window are equivalent
2.window.top
Reference to the top-level window, if it is the top-level window itself, it returns itself
3.window.parent
Reference to the parent window, if there is no parent window, it returns itself
The above brief discussion on the window in JS iframe is all the content I share with you. I hope you can give you a reference and I hope you can support Wulin.com more.