Nodejs Utililty Methods Array Min

Array.prototype.min = function() {
  return this.reduce(function(p, v) {
    return (p < v ? p : v);
  });

Array.prototype.min = function() { 
   return Math.min.apply(null, this); 
};
Array.prototype.diff = function(a) {
    return this.filter(function(i) {return i!=a;});
};

Array.prototype.min = function(){
    var i, min = this[0];
    for (i = 1; i < this.length; i++){
        if (min > this[i])
            min = this[i];
    return min;
};

Array.prototype.min = function() {
    return Math.min.apply(Math, this);
};

Array.prototype.min = function() {
  return Math.min.apply(null, this);
};
Array.prototype.remove = function(index) {
    this.splice(index, 1);
};

Array.prototype.min = function () {
    return this.reduce(function(previousValue, currentValue) {
        return previousValue < currentValue ? previousValue : currentValue;
    });
};

Array.prototype.min = function() {
  var min = this[0];
  for(var i=1; i<this.length; i++) {
    if(min > this[i]) min = this[i];
  return min;
};

Array.prototype.min = function(){
  var ret=this[0];
  for(var i=1;i<this.length;i++){
    ret = ret<this[i]?ret:this[i];
  return ret;

Array.prototype.min = function(){
  var a = this;
  var min = 0;
  for(var x = 1;x<a.length;x++)
    if(a[x]<a[min])
    min = x;
  return a[min];

Array.prototype.min = function () {
    var min = this[0];
    var len = this.length;
    for (var i = 1; i < len; i++) if (this[i] < min) min = this[i];
    return min;