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);
}try:
val = 1/0
except Exception as e:
raise Exception('ZeroDivisionError')try:
print("I will try to print this line of code")
except:
print("I will print this line of code if an error is encountered")
else:
print("I will print this line of code if there's no error encountered")
finally:
print("I will print this line of code even if there's an error or no error encountered")async function promHandler<T>(
prom: Promise<T>
): Promise<[T | null, any]> {
try {
return [await prom, null];
} catch (error) {
return [null, error];
}
}
gooi: function () {
try {
if (this.balPositie !== "links") {
throw Error("bal in verkeerde positie")
}
this.draw(300, 50);
this.balPositie = "midden";
} catch {
var bericht = "fout, bal al in de lucht of al gevangen";
document.getElementById("melding").innerHTML = bericht;
}
},