Using JavaScript and WebService to transfer part of webpage data XML

When designing a webpage, we often only need to update the page's data in one step. Of course, the smaller the data volume, the better. The WebService behavior component of IE allows us to use JavaScript to call WebService in IE, and XML and XSL allow us to separate data from the format, so that we can only update data on the page, other images and format information are not refreshed, reducing network traffic. I use this technology to ensure that only the required data is encrypted when I use a smart card, but not the irrelevant information such as the format, which improves the overall efficiency of the system.

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