Last Updated : 12 Jul, 2025
The console.error() function from the console class of Node.js is used to display an error message on the console. It prints to stderr with a newline.
Syntax:
console.error([data][, ...args])
Parameter: This function can contain multiple parameters. The first parameter is used for the primary message and other parameters are used for substitution values.
Return Value: The function returns an error message.
The below programs demonstrate the working of the console.error() function:
Program 1:
javascript
// Store number to variable
num = 20
// Check condition
if (num < 100) {
console.log("Enter number greater than 100");
}
else {
console.error("correct choice");
}
Output:
Enter number greater than 100
Program 2:
javascript
// Store number to variable
x = 20;
y = 50;
// Check condition
if (x > y) {
console.error('%d is greater than %d', x, y);
}
else {
console.error('%d is less than or equal to %d', x, y);
}
Output:
20 is less than or equal to 50
RetroSearch is an open source project built by @garambo | Open a GitHub Issue
Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo
HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4