JSON对象可能是:{name:'n', id:'1'}也可能是
{boy:{name:'n', id:'1'}}也可能是
{girl:{name:'n', id:'1'}}我如何判断是上面三种中的哪一种?
也就是说如何判断json包含了boy键或者girl键?
{boy:{name:'n', id:'1'}}也可能是
{girl:{name:'n', id:'1'}}我如何判断是上面三种中的哪一种?
也就是说如何判断json包含了boy键或者girl键?
alert("boy" in {boy:{name:'n', id:'1'}});
alert("girl" in {girl:{name:'n', id:'2'}});
if(obj.boy){
alert("boy存在!");
}else if(obj.girl){
alert("girl存在");
}else{
alert("默认");
}
if(o.name){}
...
}
//var data = {boy:{name:'n', id:'1'}}
//var data = {girl:{name:'n', id:'1'}}var json = (data.body || data.girl || data);
alert([json.name, json.id]);