Javascript prompt() - cancel button to terminate the function

Question

I\'m calling a Javascript window.prompt() and prompting the user to submit a variable which I compare to another variable (a very basic password protection). Th

Answer 1

One substantial problem with handling the result of 'prompt' is that Safari (at least version 9.1.2) returns "" instead of null when "Cancel" is clicked. This means that: if(result==null) return; does not work, and you cannot distinguish between entry of a null string, and cancellation.