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Complete lab #1

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61de6b9
Create index.html and import script.js
michael-mcmasters Nov 24, 2020
fa74e00
Complete steps 1 through 8
michael-mcmasters Nov 24, 2020
74fd2b3
Fix table so that there is a pipe at the beginning of every row
michael-mcmasters Nov 28, 2020
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9 changes: 9 additions & 0 deletions index.html
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Original file line number Diff line number Diff line change
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<!DOCTYPE html>

<head>
<script src="script.js"></script>
</head>

<body>
Hello World
</body>
76 changes: 76 additions & 0 deletions script.js
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// 1. One to Ten.
// for (let i = 1; i <= 10; i++) {
// console.log(i);
// }

// 2. Squares
// for (let i = 0; i <= 100; i++) {
// let num = Math.sqrt(i);
// if (num % 1 == 0) {
// console.log(i);
// }
// }

// 3. Even Under N
// let n = 20;
// for (let i = 0; i < 20; i++) {
// if (i % 2 == 0)
// console.log(i);
// }

// 4. Sum
// let sum = 0;
// for (let i = 5; i < 10; i++) {
// sum += i;
// }
// console.log(sum);

// 5. Are We There Yet
// let weAreThere = false;
// while (!weAreThere) {
// let userAnswer = prompt("Are we there yet?");
// if (userAnswer.toLowerCase() == "yes")
// weAreThere = true;
// }

// 6. Triangle
// let rows = 5;
// for (let i = 1; i <= rows; i++) {
// let stars = "";
// for (let j = 1; j <= i; j++) {
// stars += "*";
// }
// console.log(stars);
// }

// 7. Table Square
let rows = 4;
let columns = 4;
console.log(createMultiplicationTable(rows, columns));

// 8. Table Square 2
rows = 6;
columns = 6;
console.log(createMultiplicationTable(rows, columns));

// (Helper function)
function createMultiplicationTable(rows, columns) {
let table = "";

for (let row = 1; row <= rows; row++) {
for (let column = 1; column <= columns; column++) {
if (column == 1) {
table += "|"; // Add | to the beginning of the first column of every row.
}
let number = row * column; // It's a multiplication table. So number is row times column. (For example: row 5 column 5 is 25... row 4 column 5 is 20... etc)
if (column > 1 && number < 10) {
table += ` ${number} |`; // Single digit numbers have two spaces before them (except when in the first column.)
} else {
table += ` ${number} |`; // Double digit numbers have one space before them.
}
}
table += "\n"; // Once all columns in a row are filled, go to next line.
}

return table;
}