Array based tiny jQuery subset alternative with minimum number of methods.

picoquery.js

  var pq = function(q, f) {
    return new pq.Obj(q);
  };

  pq.Obj = function(q) {
    if (typeof q === 'string') {
      return this.find(q);
    } else if (q instanceof pq.Obj) {
      return q;
    } else if (q instanceof HTMLElement) {
      return this.push(q);
    }
  };

  pq.Obj.prototype = [];

  pq.Obj.prototype.find = function(q) {
    [].forEach.call(document.querySelectorAll(q),function(el){
      this.push(el);
    }.bind(this));
    return this;
  };

  pq.Obj.prototype.classList = function() {
    var args = [].slice.call(arguments);
    var m = args.shift();
    this.forEach(function(el) {
      el.classList[m].apply(el.classList, args);
    });
    return this;
  };

  pq.Obj.prototype.on =
  pq.Obj.prototype.addEventListener = function(e, f) {
    var that = this;
    this.forEach(function(el) {
      el.addEventListener(e, f.bind(el));
    });
    return this;
  };

  pq.Obj.prototype.off =
  pq.Obj.prototype.removeEventListener = function(e, f) {
    var that = this;
    this.forEach(function(el) {
      el.removeEventListener(e, f.bind(el));
    });
    return this;
  };

  pq.Obj.prototype.val = function(value) {
    if (value !== undefined) {
      this.forEach(function(el) {
        el.value = value;
      });
      return this;
    } else {
      var firstItem = this[0];
      if (firstItem.value) {
        return firstItem.value;
      }
    }
  };

  pq.Obj.prototype.remove = function() {
    this.forEach(function(el) {
      if (!el.remove && el.parentNode) {
        el.parentNode.removeChild(el);
      } else {
        el.remove();
      }
    });
    return this;
  };

picoquery.min.js

var pq=function(a,b){return new pq.Obj(a)};pq.Obj=function(a){return"string"==typeof a?this.find(a):a instanceof pq.Obj?a:a instanceof HTMLElement?this.push(a):void 0},pq.Obj.prototype=[],pq.Obj.prototype.find=function(a){return[].forEach.call(document.querySelectorAll(a),function(a){this.push(a)}.bind(this)),this},pq.Obj.prototype.classList=function(){var a=[].slice.call(arguments),b=a.shift();return this.forEach(function(c){c.classList[b].apply(c.classList,a)}),this},pq.Obj.prototype.on=pq.Obj.prototype.addEventListener=function(a,b){return this.forEach(function(c){c.addEventListener(a,b.bind(c))}),this},pq.Obj.prototype.off=pq.Obj.prototype.removeEventListener=function(a,b){return this.forEach(function(c){c.removeEventListener(a,b.bind(c))}),this},pq.Obj.prototype.val=function(a){if(void 0!==a)return this.forEach(function(b){b.value=a}),this;var b=this[0];return b.value?b.value:void 0},pq.Obj.prototype.remove=function(){return this.forEach(function(a){!a.remove&&a.parentNode?a.parentNode.removeChild(a):a.remove()}),this};