Question

write the use of Tab Index property of control

Answer 1

It helps to properly indent the code and makes it function accordingly.

Answer 2

The global attribute named tabindex can indicate whether the element of it can be focused or not. It also checks whether it can participate in the sequential navigation in keyboard (usually with Tab key).

It can accept the integer as the value with various results that depends on the value of any integer. The negative value means that the particular element must b focusable nut not reachable.