Add support for IOS 9

[seeeturtle]

This is the screen shot from my ipad mini 1(ios 9.3.5).
As you can see, the website doesn't show anything.

And, can you check if you're smart phone(or tablet) works well?

[seeeturtle]

I guess it's onload attribute issue

[seeeturtle]

I've just found that occurs only at ios 9

list of usable model:

• Samsung Galaxy S7 edge
• Ipad air 2

[jayvdb]

You can use https://saucelabs.com/ to test on many devices.

[seeeturtle]

thanks for advice :)