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JavaScript JavaScript Loops, Arrays and Objects Tracking Multiple Items with Arrays Iterating through an Array

Hristo Krassimirov
Hristo Krassimirov
22,654 Points
Posted by Hristo Krassimirov
Hristo Krassimirov
22,654 Points

Hi. I dont know what i am doing wrong with this javascript challenge. please help

Use a for or while loop to iterate through the values in the temperatures array from the first item -- 100 -- to the last -- 10. Inside the loop, log the current array value to the console.

script.js 
var temperatures = [100,90,99,80,70,65,30,10];
for(var i=0;i<temperatures.lenght;i=i+1){
console.log(temperatures(i));
}
index.html 
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>JavaScript Loops</title>
</head>
<body>
<script src="script.js"></script>
</body>
</html>

4 Answers

elk6
elk6
22,916 Points

Hi Hristo,

2 smalls things are wrong. You typed "lenght" instead of "length" and you should use the square brackets in the console.log method. Like this:

var temperatures = [100,90,99,80,70,65,30,10];
for(var i=0; i < temperatures.length; i++){
console.log(temperatures[i]);
}
Kristin Jones
Kristin Jones
12,217 Points
Kristin Jones
Kristin Jones
12,217 Points

i = i+1 is fine. It means the same exact thing as i++ and i += 1

Check the spelling of "length"

Jacob Mishkin
Jacob Mishkin
23,118 Points
Jacob Mishkin
Jacob Mishkin
23,118 Points

you are very close remove the i=i+1 and have either i+= 1 or i++.

Ken Alger
STAFF
Ken Alger
Treehouse Teacher
Ken Alger
Ken Alger
Treehouse Teacher

Hristo;

You are very close. You aren't print out the array item value. Remember that to access a value at position i in an array we need to use square brackets [i] and not parenthesis.

Post back if you are still stuck.

Happy coding,
Ken