Leetcode/algorithms/ImplementStrStr.js at master · superman06/Leetcode · GitHub

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// Source : https://leetcode.com/problems/implement-strstr

// Author : Dean Shi

// Date : 2017-07-10

/***************************************************************************************

* Implement strStr().

* Returns the index of the first occurrence of needle in haystack, or -1 if needle is

* not part of haystack.

***************************************************************************************/

/**

* @param {string} haystack

* @param {string} needle

* @return {number}

var strStr = function(haystack, needle) {

return haystack.indexOf(needle)

};

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