Referencia console

console

Prints a message to the web browser's console.

The console object is helpful for printing messages while debugging. For example, it's common to add a console.log() statement while studying how a section of code works:

if (isPlaying === true) {
  // Add a console.log() statement to make sure this block of code runs.
  console.log('Got here!');

  // Game logic.
}

console.error() is helpful for tracking errors because it prints formatted messages. For example, it's common to encounter errors when loading media assets:

// Logs an error message with special formatting.
function handleFailure(error) {
  console.error('Oops!', error);
}

// Try to load an image and call handleError() if it fails.
loadImage('https://example.com/cat.jpg', handleImage, handleError);

Ejemplos

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