.catch javascript code example
Example 1: node js try catch
try {
nonExistentFunction();
} catch (error) {
console.error(error);
// expected output: ReferenceError: nonExistentFunction is not defined
// Note - error messages will vary depending on browser
}
Example 2: 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 3: catch error message js
try {
// test code
} catch (error) { // if error
console.error(error); // return error
}
Example 4: catch javascript
//Catch is the method used when your promise has been rejected.
//It is executed immediately after a promise's reject method is called.
//Here’s the syntax:
myPromise.catch(error => {
// do something with the error.
});
//error is the argument passed in to the reject method.
Example 5: javascript try
var someNumber = 1;
try {
someNumber.replace("-",""); //You can't replace a int
} catch(err) {
console.log(err);
}
Example 6: blank catch js
try {
try_statements
}
[catch [(exception_var)] {
catch_statements
}]
[finally {
finally_statements
}]