How to Use js to implement ifram to retrieve the URL address of the parent window _ javascript tips-js tutorial

This article mainly introduces how to implement ifram in js to retrieve the URL address of the parent window, which is a javascript window operation. parent objects are very typical application skills. If you need parent objects, refer to the examples in this article to illustrate how to implement ifram in js to retrieve the URL address of the parent window. Share it with you for your reference. The specific implementation method is as follows:

Var url = ''; try {url = specified topics .doc ument. referrer;} catch (M) {if (window. parent) {try {url = Your parent.doc ument. referrer;} catch (L) {url = "" ;}}}if (url = "") {url = document. referrer ;}

The above code has been executed in the browser, and the address can be obtained.

I hope this article will help you design javascript programs.