主页
JavaScript
JavaScript 类型转换
tryjs_constructor_all
运行 ❯
×
更改方向
保存代码
更改主题
<!DOCTYPE html> <html> <body> <h2>JavaScript 构造函数属性</h2> <p>constructor 属性返回变量或对象的构造函数。</p> <p id="demo"></p> <script> document.getElementById("demo").innerHTML = "john".constructor + "<br>" + (3.14).constructor + "<br>" + false.constructor + "<br>" + [1,2,3,4].constructor + "<br>" + {name:'john', age:34}.constructor + "<br>" + new Date().constructor + "<br>" + function () {}.constructor; </script> </body> </html>