How does console.log() affect the performance of a webpage?
A). It improves page loading speed.
B). It has no impact on page performance.
C). It may slightly degrade performance if used excessively.
D). It optimizes JavaScript execution.
How can you log messages with different log levels using console.log()?
A). By using conditional statements to differentiate log levels.
B). By passing a log level as an argument to console.log().
C). By using multiple console.log() methods with different names.
D). By including log level prefixes in the message strings.
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().
How can you format log messages using console.log() to include variable values or expressions?
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 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.
How is console.log() used to display variable values in the console?
A). By concatenating variables with strings.
B). By using special escape characters.
C). By including variables directly in the parentheses.
D). By using HTML tags.
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 recommended approach for logging asynchronous operations using console.log()?
A). Use separate console.log() statements for each asynchronous operation.
B). Include all asynchronous logs within a single console.log() statement.
C). Disable logging for asynchronous operations.
D). Use console.error() for all asynchronous logs.
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.
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.