jquery style

foo-jquery.js

'use strict';

(function () {

  var foo = function (params) {
    return new DomModule(params);
  };

  var DomModule = function (params) {
    var selector = document.querySelectorAll(params),
        i = 0;
        this.length = selector.length;

        for (; i < this.length; i++) {
            this[i] = selector[i];
        }

        return this;
    };

    var methods = {};

    methods.addClass = function(classAdd) {
      var len = this.length;

      if ( classAdd ) {
        while (len--) {
          this[len].classList.add(classAdd);
        }
      }
      return this;
    };

    methods.removeClass = function(classRemove) {
      var len = this.length;

      if ( classRemove ) {
        while (len--) {
          this[len].classList.remove(classRemove);
        }
      }
      return this;
    };

    methods.toggleClass = function(classToggle) {
      var len = this.length;

      if (classToggle ) {
        while (len--) {
          this[len].classList.toggle(classToggle);
        }
      }
      return this;
    };

    methods.setStyle = function(style, value) {
      var len = this.length;

      if ( style && value ) {
        while (len--) {
          this[len].style[style] = value;
        }
      }
      return this;
    };

    methods.text = function(text) { 
      var len = this.length;

      while (len--) {
        this[len].textContent = text;
      }

      return this;      
    };

    methods.html = function(content) { 
      var len = this.length;

      if ( content.indexOf('script') !== -1 ) {
        content = 'scripts are not allowed';
      }

      while (len--) {
        this[len].innerHTML = content;
      }

      return this;      
    };

    methods.remove = function() {
      var len = this.length;

      while (len--) {
        if ( this[len].parentNode ) {
          this[len].parentNode.removeChild(this[len]);
        }
      }
      return true;
    };

    foo.fn = ArrakisDomModule.prototype = methods;

    if ( !window.foo ) {
      window.foo = foo;
    }

})();