// 判断属性是否存在于实例对象中 for-in function Person(name, age) { this.name = name; this.age = 20; } var p = new Person(); console.log('name' in p) //true //判断一个属性是否存在原型中 function hasPrototypeProper(object, name) { return !object.hasOwnProperty(name) && name
1.概述: 参考资料: 1)maven官网教程: See theGuide to Configuring Mavenfor more information. 2) The defaults for Maven are often sufficient[足够的,充分的], but if you need to change the cache location or are behind a HTTP proxy, you will need to create configuration. m
1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Web; 5 using System.Web.UI; 6 using System.Web.UI.WebControls; 7 using System.Data; 8 using System.Data.SqlClient; 9 using System.Configuration; 10 11 public part