F44 (Fail): Due to using tabindex to create a tab order that does not preserve meaning and operability

HTML Snippet Code
Scenario 1: Tabindex value is grater than 0




 <label for="uname">Firstname</label> <input id="uname" type="text" tabindex="3"></br> <label for="ln">Lastname</label> <input input id="ln" type="text" tabindex="4"></br> <label for="em">Email</label> <input input id="em" type="text" tabindex="1"></br> <label for="ps">password</label> <input input id="ps" type="text" tabindex="2"></br> <button id="btnsubmit">submit</button> <button id="btncancel">Cancel</button>

Deque Systems, Inc.