Question

How to print error message to console (Press F12 to view the message) in JavaScript

Answer 1

let message = "Error message"; 

console.error(message);

    
    
    
/*
run:
    
Error message
    
*/

 

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Answer 2

let a = 84745;

console.error('a = %d', a);

    
    
    
/*
run:
    
a = 84745
    
*/

 

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