try, catch, finally in JavaScript

try, catch, finally in JavaScript — a practical guide to JavaScript try catch finally with clear examples you can reuse in real projects.

JavaScript Tutorial Series (82/101). Prefer one article? Read the complete JavaScript tutorial.

Short description

finally runs for cleanup whether errors occur or not.

try/catch

try {
  JSON.parse(text);
} catch (err) {
  console.error(err);
} finally {
  console.log('done');
}