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JavaScript

Posted by garyfitzwater3
garyfitzwater3
Courses Plus Student 1,666 Points

Need help with error on line 22

//Question 1
//prompt asking question
var addition = prompt("If I add 7 + 7 what do I get?");
//parse from string to integer
var addInt = parseInt(addition);
//conditional statement
if (addInt === 14){
// adding score
  yourscore += 1
//conditional responses true or false
  alert("That is a correct answer! score = " + yourScore);
}else{
  alert("Sorry that is incorrect! score = " + yourScore);
}

//Question 2
//prompt asking question
var subtraction = prompt("If I subtract 5 - 3 what do I get?");
//parse from string to integer
var subInt = parseInt(subtraction);
//conditional statement
if (subInt === 2){
// adding score
  yourscore += 1
//conditional responses true or false
  alert("That is a correct answer! score = " + yourScore);
}else{
  alert("Sorry that is incorrect! score = " + yourScore);
}

//Question 3
//prompt asking question
var multiply = prompt("If I multiply 5 * 5 what do I get?");
//parse from string to integer
var multInt = parseInt(multiply);
//conditional statement
if (multInt === 25){
// adding score
  yourscore += 1
//conditional responses true or false
  alert("That is a correct answer! score = " + yourScore);
}else{
  alert("Sorry that is incorrect! score = " + yourScore);
}

//Question 4
//prompt asking question
var addition2 = prompt("If I add 3 + 9 what do I get?");
//parse from string to integer
var add2Int = parseInt(addition2);
//conditional statement
if (add2Int === 12){
// adding score
  yourscore += 1
//conditional responses true or false
  alert("That is a correct answer! score = " + yourScore);
}else{
  alert("Sorry that is incorrect! score = " + yourScore);
}

//Question 5
//prompt asking question
var subtract2 = prompt("If I subtract 7 - 2 what do I get?");
//parse from string to integer
var sub2Int = parseInt(subtract2);
//conditional statement
if (sub2Int === 5){
// adding score
  yourscore += 1
//conditional responses true or false
  alert("That is a correct answer! score = " + yourScore);
}else{
  alert("Sorry that is incorrect! score = " + yourScore);
}

// Keep track of the number of questions the user answered correctly
var award
if ( yourscore === 5 ) {
    award = "Very Good";
} else if ( yourscore > 2 && yourscore < 5 ) {
    award = "Good";
} else if ( yourscore > 0 && yourscore < 3 ) {
    award = "Average";
} else {
    award = "None!";
}

// Provide a final message after the quiz letting the user know the number of questions he or she got right. 
var finished = alert("It's all done you have scored " + yourscore + ". Awarded: " + award);

4 Answers

James Anwyl
.a{fill-rule:evenodd;}techdegree seal-36
James Anwyl
Full Stack JavaScript Techdegree Graduate 49,960 Points

Hi Gary,

First of all, you need to define yourscore as a variable to avoid the "Uncaught ReferenceError: yourscore is not defined" error.

var yourscore = 0;

Secondly, you had mixed up the casing on your variable names and written yourscore in some places and yourScore in others.

Try this:

var yourscore = 0;

//Question 1
//prompt asking question
var addition = prompt("If I add 7 + 7 what do I get?");
//parse from string to integer
var addInt = parseInt(addition);
//conditional statement
if (addInt === 14){
// adding score
  yourscore += 1;
//conditional responses true or false
  alert("That is a correct answer! score = " + yourscore);
}else{
  alert("Sorry that is incorrect! score = " + yourscore);
}

//Question 2
//prompt asking question
var subtraction = prompt("If I subtract 5 - 3 what do I get?");
//parse from string to integer
var subInt = parseInt(subtraction);
//conditional statement
if (subInt === 2){
// adding score
  yourscore += 1;
//conditional responses true or false
  alert("That is a correct answer! score = " + yourscore);
}else{
  alert("Sorry that is incorrect! score = " + yourscore);
}

//Question 3
//prompt asking question
var multiply = prompt("If I multiply 5 * 5 what do I get?");
//parse from string to integer
var multInt = parseInt(multiply);
//conditional statement
if (multInt === 25){
// adding score
  yourscore += 1;
//conditional responses true or false
  alert("That is a correct answer! score = " + yourscore);
}else{
  alert("Sorry that is incorrect! score = " + yourscore);
}

//Question 4
//prompt asking question
var addition2 = prompt("If I add 3 + 9 what do I get?");
//parse from string to integer
var add2Int = parseInt(addition2);
//conditional statement
if (add2Int === 12){
// adding score
  yourscore += 1;
//conditional responses true or false
  alert("That is a correct answer! score = " + yourscore);
}else{
  alert("Sorry that is incorrect! score = " + yourscore);
}

//Question 5
//prompt asking question
var subtract2 = prompt("If I subtract 7 - 2 what do I get?");
//parse from string to integer
var sub2Int = parseInt(subtract2);
//conditional statement
if (sub2Int === 5){
// adding score
  yourscore += 1;
//conditional responses true or false
  alert("That is a correct answer! score = " + yourscore);
}else{
  alert("Sorry that is incorrect! score = " + yourscore);
}

// Keep track of the number of questions the user answered correctly
var award
if ( yourscore === 5 ) {
    award = "Very Good";
} else if ( yourscore > 2 && yourscore < 5 ) {
    award = "Good";
} else if ( yourscore > 0 && yourscore < 3 ) {
    award = "Average";
} else {
    award = "None!";
}

// Provide a final message after the quiz letting the user know the number of questions he or she got right.
var finished = alert("It's all done you have scored " + yourscore + ". Awarded: " + award);

Hope this helps :)

EDIT: As Vladut pointed out, you are missing semicolons from some of your statements. This won't cause errors in this circumstance, but can do in others and it's considered a best practice.

Vladut Astalos
Vladut Astalos
11,246 Points
Vladut Astalos
Vladut Astalos
11,246 Points

You missed semicolon after 'yourscore += 1'.

garyfitzwater3
PLUS
garyfitzwater3
Courses Plus Student 1,666 Points
garyfitzwater3
garyfitzwater3
Courses Plus Student 1,666 Points

Tried that still didn't work " yourscore += 1; "

garyfitzwater3
PLUS
garyfitzwater3
Courses Plus Student 1,666 Points
garyfitzwater3
garyfitzwater3
Courses Plus Student 1,666 Points

Ah right excellent thanks for that it really helped.