Filter using javascript

gistfile1.txt

var numbers = [1,2,3,6,8,3,4,6,78,10,11,9,1,3,4]



function filter(arr, filterCheck){
  
  var newArray = []

  for(var i=0;i<arr.length;i++){
    if(filterCheck(arr[i])){
      newArray.push(arr[i])
    }
  }
  
  return newArray;
}


var filtered = filter(numbers, (x) => x > 6)

console.log(filtered)

var evenNumbers = filter(numbers, (x) => (x % 2 === 0))

console.log(evenNumbers)

var students = [{age: 13}, {age: 10}, {age: 9}]

students = filter(students, (x) => x.age > 10)

console.log(students)

function getEventNumbers(arr){
  return filter(arr, x => x % 2)
}


console.log(getEventNumbers([1,2,3,4,5,6,7,8,9]))