html运行实例（eg_js_object_defineproperty

代码示例：（标识：eg_js_object_defineproperty_3）

<!DOCTYPE html>
<html>
<body>

<h1>JavaScript defineProperty()</h1>

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

<script>
// 创建对象：
var person = {
  firstName: "Bill",
  lastName : "Gates",
  language : "NO"
};
// 更改属性：
Object.defineProperty(person, "language", {
  get : function() { return language },
  set : function(value) { language = value.toUpperCase()}
});
// 修改语言：
person.language = "en";
// 显示语言：
document.getElementById("demo").innerHTML = person.language;
</script>

</body>
</html>