router.get("/",function (req,res,next) {
res.render("index");
})
router.get("/a",function (req,res,next) {
// axios
})the first route is a path request to render index.html in index.html, and request / a to node after html gets some value. Request the server to get the data in / a, so how to render the data to index.html.
template engine ejs
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