Answers for "why try catch is used javascript"

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
}

try catch js

async function getData() {
    try {
        const response = await fetch('https://jsonplaceholder.typicode.com/todos/1')
        const data = await response.json();
      	const { userId, id, title, completed } = data;
      	console.log(userId, id, title, completed);
    } catch(err) {
      alert(err)
    }
}
getData();