Nodejs Utililty Methods Array Min

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

Array.prototype.min = function() {
  var min = Infinity;
  for (var i = 0; i < this.length; i++) {
    if (typeof this[i] === "number" && this[i] < min) {
      min = this[i];
  return min;
};
...

Array.prototype.min = function() {
  if (this.toNumsOnly().length == 0) return undefined;
  return Math.min.apply(null, this.toNumsOnly());
};

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

Array.prototype.min = function(comparer) {
    if (this.length === 0) return null;
    if (this.length === 1) return this[0];
    comparer = (comparer || Math.min);
    var v = this[0];
    for (var i = 1; i < this.length; i++) {
        v = comparer(this[i], v);
    return v;
...

Array.prototype.min = function (fun) {
    var min = this[0];
    this.forEach(x => {
        if (fun ? fun(min, x) : (min < x))
            min = x;
    });
    return min;
};

Array.prototype.min = function (funObjectiveValue) {
    var result = null;
    var min = Number.MAX_VALUE;
    for (var i = 0; i < this.length; i++) {
        var val = funObjectiveValue(this[i]);
        if (val < min) {
            result = this[i];
            min = val;
    return result;
};

Array.prototype.min = function (func) {
    return func === undefined ? Math.min.apply(null, this) : Math.min.apply(null, this.select(func));
};

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

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