PGE Revision 5

Which one of the following code does NOT allow the value of a variable to be changed after it is declared and assigned in JavaScript?

• const width = 13.20;

• fixed width = "13.20";

• static width = "13.20";

• constant width = 13.20;

Which method is use to create the above figure?

• alert().

• custom().

• modal().

• popup().

What is a bug in a computer program?

• Error.

• Number.

• Symbol.

• Image.

Which is the correct way to perform a single line comment in JavaScript?

• "Single line comment"

• II Single line comment

• <!-- Single line comment -->

• // Single line comment

Which is the correct JavaScript code to link to an external JavaScript file named "holiday.js" in the same folder?

• <script src="holiday.js"></script>

• <script sync="holiday.js"></script>

• <script charset="holiday.js"></script>

• <script file="holiday.js"></script>

Which one of the following statements best describes a function?

• It always returns a empty value.

• It is always executed even when not called.

• It refers to any block of code enclosed within < >.

• It is a block of code that has to be called to perform some tasks.

Which one of the following options is the correct way to declare an array called stationary?

• var stationary = #pen, paper, clip;

• var stationary = @pen, paper, clip;

• var stationary = ["pen", "paper", "clip"];

• var stationary = ??"pen", "paper", "clip"??;

Which one of the following syntax executes the code in a loop at least once before checking the condition?

• RUN ONCE.

• DO WHILE.

• WHILE ONCE.

• ONLY ONCE.

Which one of the following options is a debugging technique?

• Save the program 8 times.

• Uninstall and install the operating system.

• Rewrite the whole program.

• Tracing the program with document.write method.

Which one of the following options is a valid variable name in JavaScript?

• 623Radio

• Radio#623

• 623 Radio

• Radio623