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 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 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.
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 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 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.
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.
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.
Which method can be used to log warning messages in JavaScript?
A). console.debug()
B). console.info()
C). console.warn()
D). console.error()
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().