Introduction to page reloading (current page/previous page) and frame or iframe element references in js

Use JavaScript to refresh the upper-level page and the current page

<script type="text/javascript"> 
//刷新上级页面 
//window.parent.main.document.location.reload(); 
//刷新当前页面 
document.location.reload(); 
</script>

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 methods You can reference frame or iframe elements:

window.frames[index] 
windows.frames["框架名"] 
windows.框架名

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:

window.parent

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

window.parent.框架名

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

window.top

More js For related articles, please pay attention to the PHP Chinese website!