window.length为当前窗口中iframe/frame中的个数.
下班再来补充。
查阅w3cschool得知.
Syntax
window.length
Technical Details
Return Value: |
The number of frames (including iframes) in the current window |
---|
window.length为当前窗口中iframe/frame中的个数.
下班再来补充。
查阅w3cschool得知.
Return Value: |
The number of frames (including iframes) in the current window |
---|