opener 属性是一个可读可写的属性,可返回对创建该窗口的 Window 对象的引用…
参考链接:https://stackoverflow.com/questions/10650233/checked-checked-vs-checked-true 问: What is the difference between the below two usages? document.getElementById('myRadio').checked = "checked"; and document.getElementById('myRadio').checked = tr…
package com.chuoji; public class People { private String name; private int age; private String sex; private double height; public String getName() { return name; } public void setName(String name) { this.name = name; } public int getAge() { return ag…
假设在在我们的vs环境新建一个类 copy以下代码,表面看好像一切都没有问题. using System; using System.Collections.Generic; using System.ComponentModel.DataAnnotations; using System.ComponentModel.DataAnnotations.Schema; using System.Linq; using System.Text; using System.Threading.Task…