javascript try catch finally

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showing results for - "javascript try catch finally"
Gaelan
26 Aug 2016
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}
source
Beatrice
31 Feb 2019
1try {
2  nonExistentFunction();
3} catch (error) {
4  console.error(error);
5  // expected output: ReferenceError: nonExistentFunction is not defined
6  // Note - error messages will vary depending on browser
7}
source
Isabel
17 Oct 2016
1var someNumber = 1;
2try {
3  someNumber.replace("-",""); //You can't replace a int
4} catch(err) {
5 console.log(err);
6}
Irene
13 Jun 2016
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
Leonardo
08 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}
Lucia
03 Apr 2017
1<html>  
2<head>Exception Handling</head>  
3<body>  
4<script>  
5try {  
6   throw new Error('This is the throw keyword'); //user-defined throw statement.  
7}  
8catch (e) {  
9  document.write(e.message); // This will generate an error message  
10}  
11</script>  
12</body>  
13</html>  
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