-
Notifications
You must be signed in to change notification settings - Fork 0
/
script.js
44 lines (34 loc) · 1.02 KB
/
script.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
document.addEventListener('DOMContentLoaded', (event) => {
let input = document.querySelector("#input")
let submit = document.querySelector("#submit")
submit.addEventListener('click', (event) => {
event.preventDefault()
if (input.value == "") {
alert("You did not enter any text. Try again.")
} else {
isPalindrome(input.value)
input.value = ''
}
});
});
function reverseString(string) {
return string.split("").reverse().join("")
}
function isPalindrome(string) {
let reversedString = reverseString(string)
if (string == reversedString) {
return printAnswer(string, true)
} else {
return printAnswer(string, false)
}
}
function printAnswer(string, answer) {
let result = document.querySelector("#result")
let output = `${answer}: ${string} is `
if (answer == true) {
output += "a palindrome"
} else {
output += "not a palindrome"
}
result.innerText = output
}