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excel-therapy.html
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excel-therapy.html
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<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<link
href="https://fonts.googleapis.com/css?family=Open+Sans"
rel="stylesheet"
/>
<style>
body {
font-family: 'Open Sans', sans-serif;
}
td {
min-width: 40px;
border: 1px solid white;
}
.highlighted {
border: 1px dashed black;
}
.computed {
background-color: yellow;
border: 1px solid blue;
}
.target {
border: 1px solid blue;
}
.perfect {
background-color: greenyellow;
}
#messages {
display: none;
}
p {
margin: 0;
padding: 10px;
}
p:nth-child(6n + 1) {
background: #ff0900;
}
p:nth-child(6n + 2) {
background: #ff7f00;
}
p:nth-child(6n + 3) {
background: #ffef00;
}
p:nth-child(6n + 4) {
background: #00f11d;
}
p:nth-child(6n + 5) {
background: #0079ff;
}
p:nth-child(6n + 6) {
background: #a800ff;
}
</style>
</head>
<body>
<div id="content">
<center>
<h1>🔢 Excel Therapy 🤒</h1>
<h1>30th Birthday Edition 🎂</h1>
<h3>???</h3>
<table></table>
<div id="messages">
<h2>Happy Birthday! 🎉</h2>
<h3 id="partyMeter"></h3>
<div id="lines"></div>
</div>
</center>
</div>
<script>
const LINES = [
'Kelly,',
'You are such a wonderful person...',
"I'm so excited to celebrate with you on this special day...",
'So excited that I started coding for you...',
'We are going to eat so many tacos...',
'I hope you\'ll agree this is cooler website content than "Have a great day!"...',
'You can do anything you put your mind to...',
'Especially when anything is Excel...',
"I hope you've found this therepeutic...",
'Happy 30th Birthday 🎂...',
'Love you sooooo much! ❤️',
'Beep Boop 🤖'
];
var OPERATIONS = {
ADD: () => {
const sum = OPERATION_CALCULATOR.SUM();
var target = document.querySelector('.target');
target.innerText = sum;
target.className = 'computed';
},
AVG: () => {
let avg = OPERATION_CALCULATOR.AVG();
var target = document.querySelector('.target');
target.innerText = avg;
target.className = 'computed';
},
MAX: () => {
const max = OPERATION_CALCULATOR.MAX();
var target = document.querySelector('.target');
target.innerText = max;
target.className = 'computed';
},
MIN: () => {
const min = OPERATION_CALCULATOR.MIN();
var target = document.querySelector('.target');
target.innerText = min;
target.className = 'computed';
}
};
let OPERATION_CALCULATOR = {
ADD: () => {
var els = document.querySelectorAll('.highlighted');
var sum = Array.from(els).reduce((s, el) => {
return s + Number(el.innerText);
}, 0);
},
AVG: () => {
var els = document.querySelectorAll('.highlighted');
var sum = Array.from(els).reduce((s, el) => {
return s + Number(el.innerText);
}, 0);
return Math.round(sum / els.length);
},
MAX: () => {
var els = document.querySelectorAll('.highlighted');
var max = Math.max(
...Array.from(els).map(el => {
return Number(el.innerText);
})
);
return max;
},
MIN: () => {
var els = document.querySelectorAll('.highlighted');
var min = Math.min(
...Array.from(els).map(el => {
return Number(el.innerText);
})
);
return min;
}
};
var COL_TITLES = [
'',
'A',
'B',
'C',
'D',
'E',
'F',
'G',
'H',
'I',
'J',
'K'
];
var ROW_TITLES = [
'',
'1',
'2',
'3',
'4',
'5',
'6',
'7',
'8',
'9',
'10',
'11'
];
var width = randomBetween(4, COL_TITLES.length - 1);
var height = randomBetween(4, ROW_TITLES.length - 1);
var table = document.querySelector('table');
for (var i = 0; i < height; i++) {
var tr = document.createElement('tr');
for (var j = 0; j < width; j++) {
if (i === 0) {
var content = COL_TITLES[j];
} else if (j === 0) {
var content = ROW_TITLES[i];
} else {
var content = Math.round(Math.random() * 100);
}
var td = document.createElement('td');
td.innerText = content;
tr.appendChild(td);
}
table.appendChild(tr);
}
function randomBetween(min, max) {
return Math.round(min + (max - min) * Math.random());
}
function randomCell(cell, direction) {
if (cell) {
if (direction === 'horizontal') {
return {
row: cell.row,
col: randomBetween(cell.col + 1, width - 1)
};
} else {
return {
row: randomBetween(cell.row + 1, height - 1),
col: cell.col
};
}
}
return {
row: randomBetween(1, height - 2),
col: randomBetween(1, width - 2)
};
}
function getCell(cell) {
var row = document.querySelectorAll('tr')[cell.row];
var el = row.children[cell.col];
return el;
}
var cell = {};
function highlightRange(start, end, dir) {
var startCell = getCell(start);
var endCell = getCell(end);
var i, j;
if (dir === 'vertical') {
for (i = start.row; i <= end.row; i++) {
var cell = getCell({ row: i, col: start.col });
cell.className = 'highlighted';
}
} else {
for (j = start.col; j <= end.col; j++) {
var cell = getCell({ row: start.row, col: j });
cell.className = 'highlighted';
}
}
cell.className = 'target';
}
function clearSelection() {
var cells = document.querySelectorAll('td');
for (var i = 0; i < cells.length; i++) {
cells[i].className = '';
}
}
function calculateBoardAverage() {
const [header, ...trs] = document.querySelectorAll('tr');
let sum = 0;
let numCells = (height - 1) * (width - 1);
trs.forEach(tr => {
const [label, ...tds] = tr.children;
tds.forEach(td => {
sum += Number(td.innerText);
});
});
return sum / numCells;
}
function selectOperation() {
var operations = Object.keys(OPERATIONS);
let finalOperation = null;
const boardAvg = calculateBoardAverage();
operations.reduce((acc, operation) => {
const operationValue = OPERATION_CALCULATOR[operation]();
if (!acc) {
finalOperation = operation;
return operationValue;
}
if (
Math.abs(0.5 * (boardAvg + acc) - 30) <
Math.abs(0.5 * (boardAvg + operationValue) - 30)
) {
return acc;
} else {
finalOperation = operation;
return operationValue;
}
});
return finalOperation;
}
function chooseCell(locA, locB) {
const cellA = getCell(locA);
const cellB = getCell(locB);
return Math.abs(Number(cellA.innerText) - 30) >
Math.abs(Number(cellB.innerText) - 30)
? locA
: locB;
}
function chooseEndCell(start, direction) {
let end = null;
if (direction === 'vertical') {
end = { row: start.row + 1, col: start.col };
for (i = start.row + 1; i < height; i++) {
end = chooseCell(end, { row: i, col: start.col });
}
} else {
end = { row: start.row, col: start.col + 1 };
for (j = start.col + 1; j < width; j++) {
end = chooseCell(end, { row: start.row, col: j });
}
}
return end;
}
function highlightTargetNums() {
const [header, ...trs] = document.querySelectorAll('tr');
trs.forEach(tr => {
const [label, ...tds] = tr.children;
tds.forEach(td => {
if (Number(td.innerText) === 30) {
td.className += ' perfect';
}
});
});
}
function renderMessages() {
const perfectCount = document.querySelectorAll('.perfect')
.length;
if (perfectCount > 0) {
const messages = document.querySelector('#messages');
messages.style = 'display: block;';
const partyMeter = document.querySelector('#partyMeter');
const lines = document.querySelector('#lines');
partyMeter.innerText = '';
lines.innerHTML = LINES.map((l, i) => {
return i < perfectCount ? '<p>' + l + '</p>' : '';
}).join('');
for (let i = 0; i < perfectCount; i++) {
partyMeter.innerText += '🥳';
}
}
}
function performCalculation() {
clearSelection();
var direction = Math.random() > 0.5 ? 'horizontal' : 'vertical';
cell.className = '';
var start = randomCell();
var end = chooseEndCell(start, direction);
highlightRange(start, end, direction);
highlightTargetNums();
var operation = selectOperation();
updateFormula(start, end, operation);
setTimeout(() => {
runOperation(operation);
renderMessages();
setTimeout(performCalculation, 100);
}, 200);
}
function runOperation(operation) {
OPERATIONS[operation]();
}
function updateFormula(start, end, operation) {
var h3 = document.querySelector('h3');
h3.innerText =
operation +
' ' +
COL_TITLES[start.col] +
ROW_TITLES[start.row] +
':' +
COL_TITLES[end.col] +
ROW_TITLES[end.row];
}
performCalculation();
</script>
</body>
</html>