js里经常会发现一些让人非议所以的特性…
1
2
3
4
5
| var arr=new Array(1,2,3);
alert(arr instanceof Array); //true
alert(arr instanceof Object); //true
alert(Array instanceof Object); //true
#儿子认爹也认爷爷
|
1
2
3
4
| alert(arr instanceof Array); //true
alert(Array instanceof Function); //true
alert(arr instanceof Function); //false
#儿子认爹不认爷爷
|
1
2
3
| alert(Object instanceof Function); //true
alert(Function instanceof Object); //true
#兄弟俩互相喊爹
|
1
2
3
| alert(Function instanceof Function); //true
alert(Object instanceof Object); //true
#又当爹又当儿
|