//构造函数
function Box(name,age){
this.name=name;
this.age=age;
this.run=function(){
return this.name+'--'+this.age;
}
}
var box1= Box('gao',23);//我是一个对象
var box2=new Object();
Box.call(box2,'chen','24'); 对象冒充
console.log(box2 instanceof Object);//冒充后我依然从属于Object对象
console.log(box2 instanceof Box);//冒充后我并不从属于与Box <form action="save.php" method="post" target="nm_iframe"> &nbs...
https://3gimg.qq.com/lightmap/v1/marker/index.html?marker=coord:37.6767600000,112.7297800000&key=TKUBZ-D24AF-GJ4JY-JDVM2-IBYKK-KEBCU&referer=p...
<!-- 三个核心方法 openDatabase:这个方法使用现有数据库或创建...
<!DOCTYPE html> <html> <head> <title>捕捉和冒泡</title> <meta charset="utf-8"> </head> <bo...
<!DOCTYPE html> <html> <head> <title></title> <meta charset="utf-8"> </head> <body>...
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body>...