Tynker JavaScript 101

Front

An identifier cannot begin with a number. Which of the following is NOT a valid identifier? _identifier, $IDENTIFIER, 1identifier, Identifier1

Back

1identifier

Front

How would you call a function called “myFunction”?

Back

myFunction();

Front

Are identifiers in JavaScript case-sensitive?

Back

True

Front

You are not able to call the same function twice in a row.

Back

False

Front

Which of the following is a correct multi-line comment? Options: */ hello
World */ , */ hello
World /* , /*hello
World /* , /* hello
World */

Back

/* hello
World */

Front

Commented lines affect the execution of your program.

Back

False

Front

An identifier can begin with a number.

Back

False

Front

Is 78090 a valid identifier in JavaScript?

Back

False

Front

Both of the following are valid ways to comment code:
//hello
//world
/*hello
world*/
True or False?

Back

True

Front

How far will a ship move using the following code?
for (i = 1; i < 5; i++) {
forward();
}

Back

4