JavaScript中的重写

var myfunc1 = function(){
	this.prototype = {};
	this.prototype.name = 'Lee';
	this.prototype.myTxt = function(txt) {
		console.log( 'i am myfunc1',txt );
	}
}


var myfunc2 = function(){
}
myfunc2.prototype = new myfunc1();
myfunc2.prototype.name = 'abc';

myfunc2.prototype.myTxt = function(txt){
	//console.log(this.prototype);
	this.prototype.myTxt.call(this,txt);
	console.log( 'i am myfunc2',txt );
}
 
var myfunc3 = new myfunc2();
myfunc3.myTxt('Geing'); 
console.log (myfunc3.name);