Create removeDuplicates.js

Author: lgope

Array/removeDuplicates.js

@@ -0,0 +1,13 @@
+const fruits = ['🥑', '🍊', '🍇', '🍏', '🍎', '🍑', '🍑'];
+
+// way 1
+console.log('way 1 ', fruits.reduce((uniqueArray, fruit) => {
+  uniqueArray.indexOf(fruit) === -1 && uniqueArray.push(fruit);
+  return uniqueArray;
+}, []))
+
+// way 2
+console.log('way 2 ', fruits.filter((fruit, index) => fruits.indexOf(fruit) === index))
+
+// way 3
+console.log('way 3 ', [...new Set(fruits)])