feat: add typescript solution to lc problem: No.1920.Build Array from Permutation (#499)

Author: zhaocchen

solution/1900-1999/1920.Build Array from Permutation/README.md

@@ -73,6 +73,22 @@ class Solution {
 }
 ```
 
+### **JavaScript**
+
+```js
+/**
+ * @param {number[]} nums
+ * @return {number[]}
+ */
+var buildArray = function(nums) {
+    let ans = [];
+    for (let i = 0; i < nums.length; ++i) {
+        ans[i] = nums[nums[i]];
+    }
+    return ans;
+};
+```
+
 ### **C++**
 
 ```cpp

solution/1900-1999/1920.Build Array from Permutation/README_EN.md

@@ -65,6 +65,22 @@ class Solution {
 }
 ```
 
+### **JavaScript**
+
+```js
+/**
+ * @param {number[]} nums
+ * @return {number[]}
+ */
+var buildArray = function(nums) {
+    let ans = [];
+    for (let i = 0; i < nums.length; ++i) {
+        ans[i] = nums[nums[i]];
+    }
+    return ans;
+};
+```
+
 ### **C++**
 
 ```cpp

solution/1900-1999/1920.Build Array from Permutation/Solution.js

@@ -0,0 +1,11 @@
+/**
+ * @param {number[]} nums
+ * @return {number[]}
+ */
+ var buildArray = function(nums) {
+    let ans = [];
+    for (let i = 0; i < nums.length; ++i) {
+        ans[i] = nums[nums[i]];
+    }
+    return ans;
+};