This a small job, at present, I've the code which locks everything browser besides Firefox. That's the reason I'm posting here.
Requirement: Want to have few lines of code which will lock the computer screen, even user wont be able to close the WINDOW TAB,
# On page load the page would send a popup alert.
# In the PopUp we can put code of facebook like, twitter or any other test.
# Need code for infinite popup or 10 popup or both options.
# The code should lock every browser MicroEdge, IE10, Safari, Mozilla Firefox & chrome.
>>>> Limited budget as mentioned.