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lmullen/beancounting.html

Created September 10, 2014 03:29
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My solutions to exercises for week 3 of Clio 3
Raw
beancounting.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://d3js.org/d3.v3.min.js"></script>
</head>
<body>
</body>
<script src="beancounting.js"></script>
</html>
Raw
beancounting.js
// Count the number of the variable character that occur in string
var countChar = function(string, character) {
var count = 0;
for(var i = 0; i < string.length; i++) {
if (string.charAt(i) === character) count++
}
return count;
}
var countBs = function(string) {
return countChar(string, "B");
}
console.log(countBs("BBC"));
console.log(countChar("kakkerlak", "k"));
console.log(countChar("mississippi", "i"));
console.log(countChar("mississippi", "s"));
Raw
chessboard.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://d3js.org/d3.v3.min.js"></script>
</head>
<body>
</body>
<script src="chessboard.js"></script>
</html>
Raw
chessboard.js
/*
* Create a chessboard with a given dimension
*/
function chessboard(dim) {
// Empty board
var board = "";
// This outer loop creates the rows
for(var i = 0; i < dim; i++) {
// Empty row
var row = "";
// This inner loop creates the columns
for (var j = 0; j < dim; j++) {
if ((i + j) % 2 == 0)
row += "#";
else
row += " ";
}
board = board + row + "\n"
}
return board;
}
console.log(chessboard(10));
Raw
fizzbuzz.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://d3js.org/d3.v3.min.js"></script>
</head>
<body>
</body>
<script src="fizzbuzz.js"></script>
</html>
Raw
fizzbuzz.js
for (var i = 1; i <= 100; i++) {
if (i % 3 === 0 && i % 5 === 0) console.log("FizzBuzz");
else if (i % 3 === 0) console.log("Fizz");
else if (i % 5 === 0) console.log("Buzz");
else console.log(i);
}
Raw
minimum.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://d3js.org/d3.v3.min.js"></script>
</head>
<body>
</body>
<script src="minimum.js"></script>
</html>
Raw
minimum.js
// Find the minimum of two numbers
var min = function(x, y) {
if (x < y)
return x;
else
return y;
}
console.log(min(0, 10));
console.log(min(0, -10));
Raw
recursive-even.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://d3js.org/d3.v3.min.js"></script>
</head>
<body>
</body>
<script src="recursive-even.js"></script>
</html>
Raw
recursive-even.js
// Find out if a number is even to demonstrate recursion
function isEven(n) {
if (n == 0)
return true;
else if (n == 1)
return false;
else if (n < 0)
return isEven(-n);
else
return isEven(n - 2);
}
console.log("Is 50 even? ", isEven(50));
console.log("Is 75 even? ", isEven(75));
console.log("Is -8 even? ", isEven(-8));
console.log("Is -29 even? ", isEven(-29));
console.log("How long does it take to call this function for 10,000?");
console.time("timer");
console.log("Is 10,000 even?", isEven(10000));
console.timeEnd("timer");
Raw
triangle.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://d3js.org/d3.v3.min.js"></script>
</head>
<body>
</body>
<script src="triangle.js"></script>
</html>
Raw
triangle.js
var triangle = "";
for(var i = 0; i < 7; i++) {
triangle += "#";
console.log(triangle);
}
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