created filter Function

filter.js

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+// Do NOT use .filter, to complete this function.
+// Similar to `find` but you will return an array of all elements that passed the truth test
+// Return an empty array if no elements pass the truth test
+
+function filter(elements, cb) {
+
+    let targetElementsArr=[];
+
+      for(let index=0;index<elements.length;index++){
+           if(cb(elements[index])){
+            targetElementsArr.push(elements[index]);
+           }
+      }
+      return targetElementsArr;
+}
+
+module.exports=filter;

test/testFilter.js

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+
+let filterFunc=require('../filter');
+
+const items = [1, 2, 3, 4, 5, 5];
+
+ function isEvenNumber(element){
+     if(element%2==0){
+        return true;
+     }
+     else {
+       return false;
+     }
+ }
+
+let evenNumbers=filterFunc(items,isEvenNumber);
+
+console.log("Even Numbers :",evenNumbers);