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批改状态：合格
老师批语：以后不要再用:document.write(), 请直接输出到控制台中查看
构造函数
<script type="text/javascript">
//定义构造函数
function Site(url, name)
{
this.url = "www.php.cn";
this.name ="php中文网";
}
var msite = new Site();
alert(msite.url);
</script>点击 "运行实例" 按钮查看在线实例
<script type="text/javascript">
//定义构造函数
function Site(url, name)
{
this.url = "www.php.cn";
this.name ="php中文网";
}
var msite = new Site();
Site.prototype.tel=1335333354;
document.write(msite.name+msite.url);
var msite1 = new Site();
document.write(msite1.tel);
</script>点击 "运行实例" 按钮查看在线实例
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