edib allows execution of XQuery queries and XProc pipelines from webpage in an eXist XMLDB installed on client. edib also allows complex processing and storage of data before sending it back to server, thus balancing load between server and client.
XQuery in the Browser allows the execution of XQuery script code on Web pages (like JavaScript). Visitors do not need to install anything. Web developers only need to copy some .js files to their server and import them in their Web pages.