Simulating Php static In Javascript

/*simulating php static keyword in javascript ( http://jsbin.com/xataqaqevini/1/edit )*/

function User( name ) {
    this.name = name;
    this.__proto__.count++;
    //User.prototype.count++;
    //Object.getPrototypeOf(this).count++;
}

User.prototype.count = 0;

var ali = new User('ali');
var abu = new User('abu');
var adi = new User('adi');

console.log(User.prototype.count);