SOURCE

// 轻提示
function Toast(option){
  this.prompt = '';
}
Toast.prototype = {
  constructor: Toast,
  // 输出提示
  show: function(){
    console.log(this.prompt);
  }
};

// 新对象
var obj = {
    prompt: '新对象'
};


function unCurrying(fn){
    return function(){
        var args = [].slice.call(arguments);
        var that = args.shift();
        return fn.apply(that, args);
    }
}

var objShow = unCurrying(Toast.prototype.show);

objShow(obj); // 输出"新对象"