var newnumber = parseInt(num.toString().replace(".", ""), 10);
Run Code Online (Sandbox Code Playgroud)
我不应该这样做,但看看这个小提琴
var d = 109.65;
var s = d + '';
s =s.replace('.', '');
s = parseInt(s);
alert(s);
Run Code Online (Sandbox Code Playgroud)