# Learn Form Validation by Building a Calorie Counter - Step 69

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### Challenge Information:

Learn Form Validation by Building a Calorie Counter - Step 69

``````function calculateCalories(e) {
e.preventDefault();
isError = false;

const breakfastNumberInputs = document.querySelectorAll('#breakfast input[type=number]');
const lunchNumberInputs = document.querySelectorAll('#lunch input[type=number]');
const dinnerNumberInputs = document.querySelectorAll('#dinner input[type=number]');
const snacksNumberInputs = document.querySelectorAll('#snacks input[type=number]');
const exerciseNumberInputs = document.querySelectorAll('#exercise input[type=number]');

}
``````

I don’t understand this entry and how it works and what numbers are passed into the #breakfast input[type=number? how to disassemble it in detail?

Hi!
So in these statements, nothing is being passed to the DOM (the webpage), but rather the other way around. You are querying (requesting) FROM the webpage information on these elements and storing them into easier to use variables. Later on in the project, you will push things out to the DOM to display on the webpage.

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