Code to remove Duplicate elements in array

Code to remove the Duplicate Number from an  array without using  In built functions

remove dup.js

@@ -0,0 +1,16 @@
+// removing duplicates from arrray
+var a =[1,3,5,3,2,7];
+var arr=[]
+for(var i=0;i<a.length;i++){
+      var count =0;
+      for(var j=i+1;j<a.length;j++){
+        if(a[i] === a[j]){
+            count ++;
+        }
+
+      }
+      if(count<=0){
+        arr.push(a[i]);
+      }
+}
+console.log(arr);