alert(String(10.11).replace(/\d*\./, "")) // ::: 11
var a='10.45'; alert(a.split('.')[1]); var b=10.45; alert((b+'').split('.')[1]);
var a= 10.45; alert( a*100 -(a|0)*100)
var x = 10.45; alert(x - Math.floor(x));
var x = 10.45; alert(Math.round((x - Math.floor(x))*100));