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odin-default-js-exercises
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done fibonacci exercise

This commit is contained in:
aidwiz@yahoo.com 2019-10-01 20:19:23 +08:00
parent 0513964dd5
commit be6251ecc4
4 changed files with 62 additions and 7 deletions
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21
fibonacci/fibonacci.js
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@ -1,4 +1,23 @@
const fibonacci = function() { const fibonacci = function(fiboThis) { //4
let arrayPosition = [];
if (fiboThis <= 0) {
//console.log("OOPS");
return "OOPS";
} else {
for (let i = 0; i < fiboThis; i++) {
if (i === 0) {
arrayPosition.push(1);
} else if (i === 1) {
arrayPosition.push(1);
} else {
arrayPosition.push(arrayPosition[i - 2] + arrayPosition[i - 1]);
}
}
}
// console.log(arrayPosition);
return arrayPosition.pop();
} }

12
fibonacci/fibonacci.spec.js
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@ -4,22 +4,22 @@ describe('fibonacci', function() {
it('works', function() { it('works', function() {
expect(fibonacci(4)).toEqual(3); expect(fibonacci(4)).toEqual(3);
}); });
xit('works', function() { it('works', function() {
expect(fibonacci(6)).toEqual(8); expect(fibonacci(6)).toEqual(8);
}); });
xit('works', function() { it('works', function() {
expect(fibonacci(10)).toEqual(55); expect(fibonacci(10)).toEqual(55);
}); });
xit('works', function() { it('works', function() {
expect(fibonacci(15)).toEqual(610); expect(fibonacci(15)).toEqual(610);
}); });
xit('works', function() { it('works', function() {
expect(fibonacci(25)).toEqual(75025); expect(fibonacci(25)).toEqual(75025);
}); });
xit('doesn\'t accept negatives', function() { it('doesn\'t accept negatives', function() {
expect(fibonacci(-25)).toEqual("OOPS"); expect(fibonacci(-25)).toEqual("OOPS");
}); });
xit('DOES accept strings', function() { it('DOES accept strings', function() {
expect(fibonacci("8")).toEqual(21); expect(fibonacci("8")).toEqual(21);
}); });
}); });

13
fibonacci/test.html Normal file
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@ -0,0 +1,13 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<script src="test.js"></script>
</body>
</html>

23
fibonacci/test.js Normal file
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@ -0,0 +1,23 @@
function fibonacci (fiboThis) {
let arrayPosition = [];
// console.log(fiboThis);
if (fiboThis <= 0) {
console.log("OOPS");
} else {
for (let i = 0; i < fiboThis; i++) {
// insert arrayPosition1,1,2,3 into array
if (i === 0) {
arrayPosition.push(1);
} else if (i === 1) {
arrayPosition.push(1);
} else {
arrayPosition.push(arrayPosition[i - 2] + arrayPosition[i - 1]); // p2
}
}
}
console.log(arrayPosition.pop());
}
fibonacci(4);