hi

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function filter2(array, callback){
  let newArr =[];
 
  for(let i=0;i<array.length;i++){
    if(callback(array[i],i,array)){
      newArr.push(array[i]);
    }
  }
  return newArr;
}
 
callback(value){
  return value>2
 
}
 
filter2([1,2,3])
 
var arr = [1,2,3];
arr.filter2((value)=>{
  return value>2
})