C777 Unit 3: JavaScript| Questions with 100% Correct Answers
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Course
C777
Institution
C777
Comparison - ANSWER Which type of operator compares two values and returns a true or
false value?
Example: z == 10
Conditional - ANSWER Which type of operator makes decisions in a script?
Example: (a > b) ? a++ : a--
C777 Unit 3: JavaScript| Questions with
100% Correct Answers
Comparison - ANSWER Which type of operator compares two values and returns a true or
false value?
Example: z == 10
Conditional - ANSWER Which type of operator makes decisions in a script?
Example: (a > b) ? a++ : a--
concatenation - ANSWER What process combines text strings using the plus sign?
Example: "hello" + "world"
function - ANSWER What is a named set of statements that performs a task or calculates a
value?
function myFunction(){} - ANSWER How do you declare a function?
calling statement - ANSWER What processes a function's statements?
nothing - ANSWER What happens if you define a function but do not call it?
myFunction() - ANSWER How do you call this function?
, function myFunction(){
return "success";
}
return - ANSWER What is used to output values from a function?
local variable - ANSWER What type of variable is declared within a function and available only
from within that function?
global variable - ANSWER What type of variable is available throughout the entire script?
argument - ANSWER What is a value or expression containing data or code that is passed on
to a function?
pass by reference - ANSWER What describes when values are passed to a function, and the
function's parameters receive a copy of its argument's value?
Example:
function myFunction(x){
return x;
}
var num = 2;
myFunction(num);
pass by value - ANSWER What describes when values are passed to a function, and the
function's parameters receive its argument's actual value?
Example:
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