function MyError(name,message){
this.name=name;
this.message=message;
}
MyError.prototype = Object.create(Error.prototype);
MyError.prototype.constructor = MyError;
try{
throw new MyError('myerr','errmsg');
}catch(e){
console.log(e.name+":"+e.message);
}
转载于:https://my.oschina.net/dajianguo/blog/890251