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
}var someNumber = 1;
try {
someNumber.replace("-",""); //You can't replace a int
} catch(err) {
console.log(err);
}// ES2022
function readFiles(filePaths) {
return filePaths.map(
(filePath) => {
try {
// ···
} catch (error) {
throw new Error(
`While processing ${filePath}`,
{cause: error}
);
}
});
}
// For more: https://2ality.com/2021/06/error-cause.html// just sample try catch javascript
try {
// doing some methods
}catch (e) {
// showing message or other proses you want
console.log(e.message)
}app.get('/', function (req, res, next) {
Promise.resolve().then(function () {
throw new Error('BROKEN')
}).catch(next) // Errors will be passed to Express.
})
asyncFunc().catch(
// catch error and do something
)