What is the behavior of console.log() when logging null or empty values?

What is the primary purpose of console.log() in JavaScript?

A). To display messages on the webpage.

B). To log information to the browser's console.

C). To prompt user input.

D). To create interactive elements.

Which approach is recommended for logging sensitive data using console.log()?

A). Use console.warn() instead of console.log().

B). Use console.log() with encryption algorithms.

C). Avoid logging sensitive data altogether.

D). Use console.error() instead of console.log().

What is the recommended approach for handling console logs in production code?

A). Disable all console logs in production code.

B). Include detailed console logs for all scenarios.

C). Use conditional logging and minimize excessive logging.

D). Log all errors and exceptions using console.error().

How can you improve the readability of log messages in console.log()?

A). By including detailed error messages.

B). By using clear and descriptive message content.

C). By logging messages in reverse order.

D). By including HTML tags for styling.

What type of information can be logged using console.log() in JavaScript?

A). Only strings and text-based data.

B). Strings, numbers, objects, arrays, and other data types.

C). Numbers and mathematical calculations.

D). Images and multimedia content.

How can you include JavaScript expressions in console.log() messages?

A). By enclosing expressions in backticks (`) within the message string.

B). By using special symbols like %s and %d.

C). By wrapping expressions in square brackets [].

D). By assigning expressions to separate log methods.

What happens if you include console.log() statements inside a loop with a large number of iterations?

A). It has no impact on script performance.

B). It significantly slows down script execution.

C). It optimizes loop execution for faster processing.

D). It automatically optimizes console logging for loops.

What is the purpose of using console.log() for debugging JavaScript code?

A). To optimize code execution.

B). To log errors and exceptions.

C). To display messages to users.

D). To track variables, values, and program flow.

What does console.log() output when logging an undefined variable?

A). An empty string.

B). 'undefined'

C). null

D). An error message.

Which statement accurately describes the behavior of console.log() in JavaScript?

A). It halts script execution until the log is displayed.

B). It continues script execution while logging to the console.

C). It executes in parallel with other statements in the script.

D). It pauses script execution while logging to the console.