try catch error throw code example

Example 1: try catch in javascript

try {
  // Try to run this code 
}
catch(err) {
  // if any error, Code throws the error
}
finally {
  // Always run this code regardless of error or not
  //this block is optional
}

Example 2: try catch error

try {
console.log('hello');
}
catch (e){
}

Example 3: try catch exception

First try block try to handle it
if not then catch block will handle it.
Finally block will executed regardless
of the outcome