标签:OLE new doc htm 用法 rip const type var
定义和用法 constructor 属性返回对创建此对象的 Boolean 函数的引用。
object.constructor
如何使用 constructor 属性:
<script type="text/javascript"> var test=new Boolean(); 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>
输出:
This is a Boolean
JavaScript constructor 属性用法和实例
标签:OLE new doc htm 用法 rip const type var
原文地址:https://www.cnblogs.com/c68ychen/p/13893869.html