Merge pull request #140 from Neil94n/neil

update Solution

Author: yanglbme

solution/0006.ZigZag Conversion/Solution.js

@@ -0,0 +1,32 @@
+/**
+ * @param {string} s
+ * @param {number} numRows
+ * @return {string}
+ */
+var convert = function (s, numRows) {
+    if (numRows == 1) return s
+    let arr = new Array(numRows)
+    for (let i = 0; i < numRows; i++) arr[i] = []
+    let index = 0, len = s.length, mi = 0, isDown = true
+    while (index < len) {
+        arr[mi].push(s[index])
+        index++
+
+        if (mi >= numRows - 1)
+            isDown = false
+        else if (mi <= 0)
+            isDown = true
+
+        if (isDown) mi++
+        else mi--
+    }
+    let ans = []
+    for (let item of arr) {
+        ans = ans.concat(item)
+    }
+    return ans.join("")
+};
+
+const s = "AB", numRows = 1
+
+console.log(convert(s, numRows))