js-practice/src/string/check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence.js

15 lines
298 B
JavaScript

/**
* @param {string} sentence
* @param {string} searchWord
* @return {number}
*/
export const isPrefixOfWord = function (sentence, searchWord) {
const items = sentence.split(' ')
for (const n in items) {
if (items[n].indexOf(searchWord) === 0) return Number(n) + 1
}
return -1
}