html运行实例（eg_js_object_mutable）-搜寻教程库

代码示例：（标识：eg_js_object_mutable）

<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 对象是易变的</h1>

<p>对对象副本的任何更改也将更改原始对象。</p>

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

<script>
var person = {firstName:"Bill", lastName:"Gates", age:62, eyeColor:"blue"}

var x = person;
x.age = 10;

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

</body>
</html>