Question

Given the following array

var myArray = [1, "two", 3, "4"] 

write what the alert message will say for each of these examples:

a. alert( myArray[0] );

b. alert( myArray[0] + myArray[1] );

c. alert( myArray[2] + myArray[3] );

d. alert( myArray[2] – myArray[0] );

Answer 1

a. alert( myArray[0] );
Answer: 1

b. alert( myArray[0] + myArray[1] );
Answer: 1two

c. alert( myArray[2] + myArray[3] );
Answer: 34

d. alert( myArray[2] – myArray[0] );
Answer: 2