Introduction to page reloading (current page/previous page) and reference to frame or iframe elements in js_javascript skills

Use JavaScript to refresh the parent page and the current page

Copy code The code is as follows:

Each frame element or iframe element is a frame. This frame is a window, and an html document is loaded in this window. Use the following There are several ways to reference frame or iframe elements:

Copy code The code is as follows:

window .frames[index]
windows.frames["frame name"]
windows.frame name

If you want to get a reference to the parent window from the web page loaded by the frame, then You can use the following method:

Copy the code The code is as follows:

window.parent

If you want to reference a frame in the parent window, you can use the following method:

Copy code The code is as follows:

window.parent.Frame name

You can also use the following method to get a reference to the top frame of the parent window:

Copy the code The code is as follows:

window.top

As long as you get the right By referencing the frame, you can manipulate the frame object! ! !