28-find-the-index-of-the-first-occurrence-in-a-string

DevGod

Vtuber

Caution

DevGod needs to write an editorial for this problem!

js

/**
 * @param {string} haystack
 * @param {string} needle
 * @return {number}
 */
var strStr = function(haystack, needle) {
    return haystack.indexOf(needle);
};