How does console.log() handle logging complex data structures like objects or arrays?
A). It prints the memory address of the data structure.
B). It converts objects and arrays into readable string representations.
C). It displays an error message for complex data structures.
D). It ignores complex data structures and logs a warning.
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 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.
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 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.
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 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.
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.
How can you log multiple values or messages using console.log()?
A). By using separate console.log() statements for each value.
B). By concatenating values within the parentheses.
C). By using HTML tags in the message string.
D). By separating values with commas within the parentheses.