javascript - How to decrement work in java script for loop? -

below java script loop increment working decrement not work, how solve think?

for(var i=1; i<5; i++) { alert(i); } work fine  for(var i=10; i<5; i--) { alert(i); } not working 

better check ease... decrement use

for (var = 10; > 5; i--) { alert(i); } 

njoy...