javascript Array对象的constructor属性

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定义和用法
constructor 属性返回对创建此对象的数组函数的引用。

语法
object.constructor

例子：

<script type="text/javascript">

var test=new Array();

if (test.constructor==Array)
{
document.write("This is an Array");
}
if (test.constructor==Boolean)
{
document.write("This is a Boolean");
}
if (test.constructor==Date)
{
document.write("This is a Date");
}
if (test.constructor==String)
{
document.write("This is a String");
}

</script>

打印：

This is an ArrayTIY

第二个例子：

<script type="text/javascript">

function employee(name,job,born)
{
this.name=name;
this.job=job;
this.born=born;
}

var bill=new employee("Bill Gates","Engineer",1985);

document.write(bill.constructor);

</script>

打印：

function employee(name, jobtitle, born)
{this.name = name; this.jobtitle = job; this.born = born;}

javascript Array对象的constructor属性

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原文地址：http://blog.csdn.net/helloboat/article/details/42563283