error catching in js

badJSON.js

function doStuff(cb) {
  var badJSON = "asdlfihsdofy893q4fuiH:asdfh98#@!!!";
  var bad = JSON.parse(badJSON)
  console.log("bad", bad)
  cb(bad)
}

try{
 doStuff(function(str) {
  console.log("hi", str)
 }) 
} catch(e) {
 console.log("Error:", e.message)
}