https://www.sitepoint.com/testing-functional-javascript/
//jasmine
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Jasmine Test</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.6.1/jasmine.min.css">
</head>
<body>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.6.1/jasmine.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.6.1/jasmine-html.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.6.1/boot.min.js"></script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Jasmine Test</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.6.1/jasmine.min.css">
</head>
<body>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.6.1/jasmine.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.6.1/jasmine-html.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jasmine/2.6.1/boot.min.js"></script>
<script>
const isPalindrome = (str) => {
return str
.toString()
.split("")
.reverse()
.join("") === str.toString();
};
describe("isPalindrome", () => {
it("returns true if the string is a palindrome", () => {
expect(isPalindrome("abba")).toEqual(true);
});
it("returns false if the string isn't a palindrome", () => {
expect(isPalindrome("Bubba")).toEqual(false);
});
it("returns true if a number is a palindrome", () => {
expect(isPalindrome(1001)).toEqual(true);
});
});
</script>
</body>
</html>