Page Calculator

>> Page Calculator

const input = ['Telerik, Java, CSS, JavaScript, PHP, HTML, CSS, Spring, Angular', '5', 'CSS'];
const print = this.print || console.log;
const gets = this.gets || ((arr, index) => () => arr[index++])(input, 0);

// Write a program that accepts an array of words, a value representing words per page and a keyword and
// outputs on which page the keyword can be found.
// If the word is not in the list print -1.

const wordsArr = gets().split(', '); // ['Telerik', 'Java','CSS','JavaScript','PHP','HTML','CSS','Spring','Angular']
const wordsPerPage = +gets(); // 2
const keyWord = gets(); // CSS
let whichIndex = 0;
let whichPage = 0;

for (let i = 0; i < wordsArr.length; i++) {
  if (keyWord === wordsArr[i]) {
    whichIndex = i + 1;
  }
}
// print(whichIndex); // 7

whichPage = whichIndex / wordsPerPage;
print(Math.ceil(whichPage));