try catch finally in javascript

Solutions on MaxInterview for try catch finally in javascript by the best coders in the world

showing results for - "try catch finally in javascript"
Léa
27 Jan 2020
1try {
2  // Try to run this code 
3}
4catch(err) {
5  // if any error, Code throws the error
6}
7finally {
8  // Always run this code regardless of error or not
9  //this block is optional
10}
Cali
23 Sep 2018
1"The try...catch statement marks a block of statements to try and specifies"
2"a response should an exception be thrown."
3
4try {
5  nonExistentFunction();
6} catch (error) {
7  console.error(error);
8  // expected output: ReferenceError: nonExistentFunction is not defined
9  // Note - error messages will vary depending on browser
10}
11
Naima
25 May 2020
1try { // Try to run this code
2  alert( 'try' ); 
3  if (confirm('Make an error?')) BAD_CODE();
4} catch (e) { // Code throws error
5  alert( 'catch' );
6} finally { // Always run this code regardless of error or not
7  alert( 'finally' );
8}
Élodie
19 Jun 2017
1try {
2  alert( 'try' );
3  if (confirm('Make an error?')) BAD_CODE();
4} catch (e) {
5  alert( 'catch' );
6} finally {
7  alert( 'finally' );
8}
Emerson
27 Feb 2016
1let json = '{ "age": 30 }'; // incomplete data
2
3try {
4
5  let user = JSON.parse(json); // <-- no errors
6  alert( user.name ); // no name!
7
8} catch (e) {
9  alert( "doesn't execute" );
10}
Martina
26 Nov 2017
1try {
2
3  alert('Start of try runs');  // (1) <--
4
5  lalala; // error, variable is not defined!
6
7  alert('End of try (never reached)');  // (2)
8
9} catch(err) {
10
11  alert(`Error has occurred!`); // (3) <--
12
13}
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