Cross-origin Summary of javascript: Cross-Origin data transfer using window. name _ javascript skills

This article introduces the cross-Origin data transmission implemented by window. name. It is very useful for you to practice it yourself. I would like to share with you the script home website for your reference. It is really useful. The specific implementation method is recorded as follows:

There are three pages:

A.com/app.html:application page.
A.com/proxy.html:the proxy file is generally an HTML file without any content, and its contents and application pages are in the same domain.
B .com/data.html:the page where data is obtained from the application page, which can be called the data page.

The basic steps are as follows:

Create an iframe in the application page (a.com/app.html) and point its src to the data page (B .com/data.html ).
The data page will append the data to the temporary nameof the iframe. the data.html code is as follows: