Javascript Array all(p)

Array.prototype.all = function (p) {
  return this.filter(p).length == this.length;
};

Array.prototype.all = function (p) {
  return this.reduce( (result, current) =>
    !result ? result : p(current), true);
};

Array.prototype.all = function (p) {
  if (this.length === 0) {
    return true;// ww w .j a  v  a 2s  . c o  m
  }
  
  return this.filter(p).length === this.length;

};

Array.prototype.all = function (p) {
if(this.length == 0){
  return true;/*ww  w . j av a 2s  .co m*/
 }
for(var i=0;i<this.length;i++){
  if(p(this[i]) === false){
   break;
  }
  else
   return true;
  
 }
  return false;
};

Array.prototype.all = function (p) {
  for(var i = 0; i < this.length; i++){
    if(!p(this[i])) return false;
  }//w ww.j  a  v  a2 s .  c  o  m
  return true;
};

function DetermineValidNumbers(func, array){
    var validNumbers = array.length;
    for( var i=0; i < array.length; ++i){
        if(!func(array[i]))
            --validNumbers;/* www .  j  a v a 2 s  .  c o  m*/
    }
    return validNumbers;
}
Array.prototype.all = function (p) {
    return DetermineValidNumbers(p, this) === this.length;
};

Array.prototype.none = function (p) {
    var isValid = true;
    for( var i=0; i < this.length; ++i){
        if(p(this[i])){
            isValid = false;
        }
    }
    return isValid;
    // return !DetermineValidNumbers(p, this) === this.length;
};

Array.prototype.any = function (p) {
    return DetermineValidNumbers(p, this) === 2;
};

// Create three functions that one needs to be able to call upon an array
// All: This function returns true only if the predicate supplied returns true for all the items in the array
// None: This function returns true only if the predicate supplied returns false for all the items in the array
// Any: This function returns true if at least one of the items in the array returns true for the predicate supplied

Array.prototype.all = function (p) {
  for (i = 0; i < this.length; i++)
    if (!p(this[i])) return false;
  return true;/*w w w. j  av  a 2s . c o m*/
};

Array.prototype.none = function (p) {
  for (i = 0; i < this.length; i++)
    if (p(this[i])) return false;
  return true;
};

Array.prototype.any = function (p) {
  for (i = 0; i < this.length; i++)
    if (p(this[i])) return true;
  return false;
};