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add elem done TA #116

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52 changes: 30 additions & 22 deletions numberStatistics.html
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Original file line number Diff line number Diff line change
@@ -1,28 +1,36 @@
<!DOCTYPE html>
<html>
<head>

<head>
<title>Number Statistics</title>
</head>
<body>
<h1>Number Statistics</h1>
</head>
<script src="numberStatistics.js" defer></script>

<body>
<h1>Number Statistics</h1>
<ul>
<li>
The user should be able to enter a number into a number input with
id='number-statistics-number-input'
</li>
<li>They should then be able to click a "submit" button with id='number-statistics-button'</li>
<li>
Clicking the submit button will add that number to a list with
id='number-statistics-numbers'. There should be three paragraphs on the
page: id='number-statistics-average', id='number-statistics-maximum',
and id='number-statistics-minimum'.
</li>
<li>
The first paragraph should show the average of all the numbers,
the second paragraph should show the maximum value,
and the third paragraph should show the minimum value.
</li>
<li>
The user should be able to enter a number into a number input with id='number-statistics-number-input'
</li>
<li>
They should then be able to click a "submit" button with id='number-statistics-button'
</li>
<li>
Clicking the submit button will add that number to a list with id='number-statistics-numbers'. There should be three paragraphs on the page: id='number-statistics-average', id='number-statistics-maximum', and id='number-statistics-minimum'.
</li>
<li>
The first paragraph should show the average of all the numbers, the second paragraph should show the maximum value, and the third paragraph should show the minimum value.
</li>
</ul>
</body>
</html>
<input id="number-statistics-number-input" type="number" placeholder="Enter your number please">
<button id="number-statistics-button" onclick="statistics()" type="submit">Submit</button> <br>
<ul id="number-statistics-numbers">
<p id="number-statistics-average">Average</p>
<br>
<p id="number-statistics-maximum">Maximum</p>
<br>
<p id="number-statistics-minimum">Minimum</p>
</ul>
</body>

</html>
29 changes: 29 additions & 0 deletions numberStatistics.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
let array = []

function statistics() {
const number = Number(document.querySelector("#number-statistics-number-input").value)
const average = document.querySelector("#number-statistics-average")
const max = document.querySelector("#number-statistics-maximum")
const min = document.querySelector("#number-statistics-minimum")
const list = document.querySelector("#number-statistics-numbers")
let maxValue = -Infinity
let minValue = Infinity
let averageValue = 0
let sum = 0
array.push(number)
for (let i = 0; i < array.length; i++) {
sum += array[i]
}
let sortedArray = array.sort((a, b) => {
return a - b
})
averageValue = sum / array.length
maxValue = sortedArray[sortedArray.length - 1]
minValue = sortedArray[0]
const newLi = document.createElement("li")
newLi.textContent = number
list.appendChild(newLi)
average.textContent = `Average is ${averageValue}`
max.textContent = `Max is ${maxValue}`
min.textContent = `Min is ${minValue}`
}
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