202409012112
tags: #string

var strStr = function(haystack, needle) {
	for (let i = 0; i <= haystack.length - needle.length; i++) {
		if (haystack.slice(i, i + needle.length) === needle) {
			return i;
		}
	}
	return -1;
};

Reference

https://leetcode.com/problems/find-the-index-of-the-first-occurrence-in-a-string/