Is Subsequence LeetCode solution in JavaScript

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/**
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 * @param {string} s
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 * @param {string} t
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 * @return {boolean}
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 */
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var isSubsequence = function (s, t) {
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  for (let i = 0, n = s.length; i < n; i++)
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    if (t.includes(s[i])) t = t.slice(t.indexOf(s[i]) + 1);
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    else return false;
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  return true;
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};