var model = {

  val : ""

};

​

//initialize

m.module(document.body, {

  controller : function() {

    this.clickEmpty = function(e) {

      e.preventDefault();

      model.val = "";

    };

    this.clickZero = function(e) {

      e.preventDefault();

      model.val = 0;

    };

    this.clickValue = function(e) {

      e.preventDefault();

      model.val = 125;

    };

  },

  view : function(ctrl) {

    return [ 

      m("input", { value : model.val }),

      m("button", { onclick : ctrl.clickEmpty }, "empty"),

      m("button", { onclick : ctrl.clickZero }, "zero"),

      m("button", { onclick : ctrl.clickValue }, "value")

    ];

  }

});