IOS fixed positioning bottom input input box, pop-up input keyboard blocked input when getting focus

Mobile page often do such an effect, look at the picture below, the focus is that fixed positioning the bottom, there is a input box, in the input characters, the Android phone look is no problem!

1, the page does not click the bottom input initial state

2, the look under the Android phone, everything is so normal, it is perfect.

3, iOS phone, is so wayward, no way, completely blocked, blocked, blocked the ..., you must slide the entire page to the bottom to see it, hide-and-seek AH is.

Not afraid of embarrassing said, this problem met more than a year to finally get the perfect solution, more wonderful, more dog blood is the code only special line!

Please keep your eyes wide open!

<script type= "Text/javascript" >$ ("Input"). On ("click", Function () {setTimeout (function () {      Document.body.scrollTop = document.body.scrollHeight;  },300);  }) </script>

Concrete reality effect, I will not show, pleasantly surprised to discover, tried to know, is not?

IOS fixed positioning bottom input input box, pop-up input keyboard blocked input when getting focus