remove duplicates

Author: mgable

removeDuplicates-1.js

@@ -0,0 +1,19 @@
+/**
+ * @param {number[]} nums
+ * @return {number}
+ */
+var removeDuplicates = function(nums) {
+    let prior;
+    
+    for (let x = 0; x < nums.length; x++){
+        let current = nums[x]
+        if (prior === current){
+            nums.splice(x,1)
+            --x;
+        }
+        
+        prior = current;
+    }
+    
+    return nums.length
+};

removeDuplicates.js

@@ -0,0 +1,17 @@
+/**
+ * @param {number[]} nums
+ * @return {number}
+ */
+var removeDuplicates = function(nums) {
+    let index = 0,
+    last;
+
+    while (index < nums.length){
+      if (nums[index] === last){
+        nums.splice(index,1)
+      } else {
+        last = nums[index++]
+      }
+    }
+  return nums.length
+};