如何将变量从 html 传递到 node.js

Question

so I have this app that reads a file uploaded from the client (index.html) I want to get the file that was uploaded on html and user it on my app.js to read it. How do I do that. Here goes the files bellow:

index.html

 <input type="file" id="myFile" name="filename">
 <input type="submit">

app.js

 var fs = require('fs');
 var readMe = fs.readFileSync(??? , 'utf8');
 console.log(readMe);

Answer 1

This should return you the full path of the selected file:

var readMe = fs.readFileSync(document.getElementById("myFile").value , 'utf8');