JavaScript 简单继承

js_extend.js

function car(name) {
    this.name = name;
}

car.prototype.getName = function() {
	alert(this.name);
}
    
function benz(name) {
	car.call(this,name);
}

benz.prototype = new car();

var benz1 = new benz('benz');

benz1.getName();