JavaScript是一门Web编程语言,用来实现网页的交互功能,它和HTML、CSS共同组成了个Web开发的基础工具集合,也是前端开发者必备的技能;学习JavaScript教程可以了解它在网页开发中的所有特性和相关概念,让我们能够更加快速的去开发Web应用。
数组对象的constructor属性指定用于创建对象原型的构造函数。
Version
于JavaScript 1.1中实现
语法说明
object.constructor
对象:对象的名称(必填)。
示例:
在以下网页文档中,该构造函数属性返回创建该对象的函数的引用。
HTML代码
<!DOCTYPE html>
<head>
<meta charset="utf-8" />
<title>JavaScript Array constructor Property</title>
<meta name="description" content="This document contains an example of JavaScript Array constructor Property" />
<style type="text/css">
h1{color: red;}
</style>
</head>
<body>
<h1>JavaScript Array constructor Property</h1>
<script src="array-constructor-example1.js"></script>
</body>
</html>
执行一下JS代码
var myarray = new Array("Orange", "Apple", "Banana", "Cherry", "Mango");
var newParagraph = document.createElement("p"); //creates a new paragraph element
var newText = document.createTextNode("The object is constructed from : "+myarray.constructor); //creates text along with ouput to be displayed
newParagraph.appendChild(newText); //created text is appended to the paragraph element created
document.body.appendChild(newParagraph); // created paragraph and text along with output is appended to the document body
执行一下另请参阅: