html61.js

// Synchronous or Blocking Code
// Isme Line by line execution hoga 
// let text = fs.readFileSync("sample.txt","utf-8");


// Asynchronous or Non-Blocking
// Isme Line by line execution hoga not gurrantted
// Callbacks Fires
// let text = fs.readFile("sample.txt","utf-8",(err,data)=>{
//     console.log(err,data);
//     });


// Async me voh jab tak apna kaam karega tab tak baaki aage wale run ho jayege
// Abhi itna important nahi hai