html运行实例（eg_js_object_property_access

代码示例：（标识：eg_js_object_property_access_1）

<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 对象属性</h1>

<p>访问对象属性有两种不同的方法：</p>

<p>您可以使用 .property 或 [&quot;property&quot;]。</p>

<p id="demo"></p>

<script>
var person = {
  firstname:"Bill",
  lastname:"Gates",
  age:62,
  eyecolor:"blue"
};

document.getElementById("demo").innerHTML = person.firstname + " is " + person.age + " years old.";
</script>

</body>
</html>