Added reverse with test

Author: p9ejAyeirtj

js_array_method.go

@@ -122,6 +122,9 @@ func Some[T any](input []T, conditions interface{}) any {
 	return len(output) > 0
 }
 
+// conditions can be callback or a value
+// callback has two parameter one is element and another is index
+// callback must return true or false
 func Includes[T any](input []T, conditions interface{}) bool {
 	result := Find(input, conditions)
 
@@ -132,3 +135,13 @@ func Includes[T any](input []T, conditions interface{}) bool {
 	}
 	return true
 }
+
+func Reverse[T any](input []T) []T {
+	length := len(input) - 1
+	var output []T
+	for i := length; i >= 0; i-- {
+		output = append(output, input[i])
+	}
+
+	return output
+}

reverse_test.go

@@ -0,0 +1,16 @@
+package js_array_method
+
+import "testing"
+
+func TestReverse(t *testing.T) {
+	users := []User{{Id: 10, Name: "John"}, {Id: 11, Name: "Doe"}, {Id: 12, Name: "Sabrina"}}
+
+	reversedUsers := Reverse(users)
+	if reversedUsers[0].Id != 12 {
+		t.Errorf("Expected %d received %d", 12, reversedUsers[0].Id)
+	}
+
+	if reversedUsers[1].Id != 11 {
+		t.Errorf("Expected %d received %d", 11, reversedUsers[0].Id)
+	}
+}