枚举对象属性
var myObj = {
name:'gongjialin',
sex:'woman',
myFun:function(){
console.log("this is test")
}
}
for(var data in myObj){
document.write('style--'+data+","+value+"myObj[data]")
}
增删属性和方法
var myObj = {
name:'jialin',
sex:"woman',
}
//增加属性
myObj.age = 23
//删除属性
delete myObj.sex;
检测对象是否具有某个属性
var myObj = {
name:'jialin',
sex:"woman',
}
var hasName = 'name' in myObj; //true
var hasAge = 'age' in myObj; //false;