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.
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.
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 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 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 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.
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 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 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.