Problems with window scaling due to virtual keyboard under iOS

Problem Description:

Hybrid application development, web App page when the virtual keyboard appears, the window will shrink, causing position to display an exception for the fixed element height, after manually setting the height, the label inside the element becomes transparent (disappears?). The underlying element can be touch);

Solution:

Did not find a good plan, had to modify position for absolute;

Cause of the problem:

Unknown, have found the Netizen please be generous enlighten;

Let's write it down and study it later.

Problems with window scaling due to virtual keyboard under iOS