Commit 65691a8

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linjiajian999

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String: 680. Valid Palindrome II

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	`1`	`+// https://leetcode.com/problems/valid-palindrome-ii/description/`
	`2`	`+/**`
	`3`	`+ * 680. Valid Palindrome II`
	`4`	`+ * @param {string} s`
	`5`	`+ * @return {boolean}`
	`6`	`+ */`
	`7`	`+var isEqual = function(s, left, right) {`
	`8`	`+ while (left < right) {`
	`9`	`+ if (s[left] === s[right]) {`
	`10`	`+ left++;`
	`11`	`+ right--;`
	`12`	`+ } else {`
	`13`	`+ return false;`
	`14`	`+ }`
	`15`	`+ }`
	`16`	`+ return true;`
	`17`	`+}`
	`18`	`+var validPalindrome = function(s) {`
	`19`	`+ let left = 0;`
	`20`	`+ let right = s.length - 1;`
	`21`	`+ while (left < right) {`
	`22`	`+ if (s[left] != s[right]) {`
	`23`	`+ return isEqual(s, left + 1, right) \|\| isEqual(s, left, right - 1);`
	`24`	`+ } else {`
	`25`	`+ left++;`
	`26`	`+ right--;`
	`27`	`+ }`
	`28`	`+ }`
	`29`	`+ return true;`
	`30`	`+};`
	`31`	`+console.log(validPalindrome('abca'));`

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