Console error()

Write an error to the console:

console.error("You made a mistake");

More examples below.

Description

The error() method writes an error message to the console.

The console is useful for testing purposes.

console.error( message)

Parameter	Description
message	Required. The error message to write to the console.

Use an object as the error message:

const myObj = {firstname:"John", lastname:"Doe"};
console.error(myObj);

Use an array as the error message:

const myArr = ["Orange", "Banana", "Mango", "Kiwi"];
console.error(myArr);

console.error() is supported in all browsers:


Chrome	IE	Edge	Firefox	Safari	Opera
Yes	8-11	Yes	Yes	Yes	Yes