app.use
app.use(express.static('public'))
app.use(express.static('files'))app.use
app.use(express.static('public'))
app.use(express.static('files'))app.use
const path = require('path')
app.use('/static', express.static(path.join(__dirname, 'public')))what is app.use() used for
//app.get will see only exact match ex.> "/book" here app.get will not allow /book/1, etc
//but app.use is different see below
//what is difference between app.use and app.all
//app.use takes only 1 callback while app.all takes multiple callbacks
//app.use will only see whether url starts with specified path But, app.all() will match the complete path
app.use( "/book" , middleware);
// will match /book
// will match /book/author
// will match /book/subject
app.all( "/book" , handler);
// will match /book
// won't match /book/author
// won't match /book/subject
app.all( "/book/*" , handler);
// won't match /book
// will match /book/author
// will match /book/subjectCopyright © 2021 Codeinu
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