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 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 does console.log() handle logging objects with nested properties?
A). It prints only the top-level properties of the object.
B). It converts the object and all nested properties into string representations.
C). It displays an error message for objects with nested properties.
D). It ignores nested properties and logs the object structure only.
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 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 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 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 method can be used to log warning messages in JavaScript?
A). console.debug()
B). console.info()
C). console.warn()
D). console.error()
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.