What is the role of creating iframe on a web page?

The functions of web page production iframe mainly include realizing page modularization, cross-domain communication, dynamic loading and nesting and hierarchical display of web pages. Detailed introduction: 1. To realize the modularization of the page, by using iframe, a web page can be split into multiple independent modules, each module can be loaded and updated independently; 2. Cross-domain communication, by using iframe, it can be in one Embed a web page under another domain name in the web page, and achieve cross-domain communication through JavaScript and other technologies; 3. Dynamic loading, etc.

The operating environment of this tutorial: Windows 10 system, Dell G3 computer.

In web page production, iframe (embedded frame) is a very important technology. It can embed a web page into another web page, providing users with a richer and more flexible browsing experience. This article will introduce the role of iframe creation on web pages and its advantages in practical applications.

First of all, an important role of iframe in web page creation is to realize the modularization of the page. By using iframes, a web page can be split into multiple independent modules, each of which can be loaded and updated independently. In this way, when a module needs to be updated, only the web page corresponding to the module needs to be modified, without modifying the entire page. This modular design makes web page production more flexible and maintainable.

Secondly, web page production iframe can also achieve cross-domain communication. Due to the same-origin policy restrictions of browsers, web pages under different domain names cannot communicate directly. However, by using iframe, a web page under another domain name can be embedded in a web page, and cross-domain communication can be achieved through technologies such as JavaScript. This ability of cross-domain communication makes web page production more flexible and can realize some complex functions, such as cross-domain login, data interaction, etc.

In addition, webpage production iframe can also realize dynamic loading of webpages. By using iframe, web content can be loaded asynchronously, improving web page loading speed and user experience. For example, embed an iframe in a web page, and when the user clicks a button, another web page is dynamically loaded into the iframe through JavaScript. This can achieve partial refresh and reduce the loading time of the entire page.

In addition, webpage production iframe can also realize nested and hierarchical display of webpages. By using iframe, a web page can be nested within another web page to achieve a multi-level page structure. This nested and layered design makes the web page more clearly structured and easier to manage and maintain.

To sum up, the functions of iframe creation for web pages mainly include realizing page modularization, cross-domain communication, dynamic loading, and nested and hierarchical display of web pages. Through the reasonable use of iframe technology, the flexibility, maintainability and user experience of web pages can be improved, providing users with a richer and more flexible browsing experience.

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