Create Problem13.js

groups elements in an array based on a given condition.

Author: Riyakumari57

problems/Problem13.js

@@ -0,0 +1,14 @@
+// Implement a function that groups elements in an array based on a given condition. 
+//For example, grouping even and odd numbers into separate arrays. 
+
+function  groupByCondition(arr,condition){
+    return [
+        arr.filter(e => condition(e)),
+         arr.filter(e => !condition(e))
+        ];
+}
+
+const arr = [ 2 , 5 , 1 , 9 , 3 , 7 , 8 ];
+let isEven = num =>  num%2===0;
+const finalArr =  groupByCondition(arr,isEven);
+console.log(finalArr);