console.warn

Logs data to the error log. Read more about error logs.

console.warn(...arguments);

Input

Variable

Required

Description

...arguments

yes

Any number of arguments to be logged to the error log. Objects can be converted to strings using JSON.stringify().

Output

This function does not return anything.

Comments

Useful for logging non-critical warnings or diagnostic messages to the error log.
Accepts multiple arguments of any type, similar to the standard JavaScript console.warn() function.

Examples

console.warn("Low memory detected");
console.warn("Deprecated function used:", functionName);