What is the behavior of console.log() when logging null or empty values?
A). It logs an empty string for null values and does not log empty values.
B). It logs 'null' or 'undefined' for null or empty values, respectively.
C). It ignores null or empty values and logs the rest of the message.
D). It displays an error message for null or empty values.
How can you log formatted messages with variable values using console.log()?
A). By using special symbols like %s and %d in the message string.
B). By enclosing expressions in backticks (`) within the message.
C). By concatenating variables directly in the parentheses.
D). By assigning expressions to separate log methods.
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 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.
How does console.log() impact the accessibility of a webpage?
A). It improves accessibility by providing interactive elements.
B). It has no impact on accessibility.
C). It may negatively impact accessibility for users with disabilities.
D). It optimizes page performance for accessibility features.
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.
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().
Which method can be used to log warning messages in JavaScript?
A). console.debug()
B). console.info()
C). console.warn()
D). console.error()
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.
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.