SVG ++ input
by Core yan
HTML
<input type="number" id="n" value="5" step=".5" />
JavaScript
$(function(){
var data = $(':input').val();
var myFunction = function()
{
alert("myFunction 1");
}
var myFunction2 = function()
{
alert("myFunction 2");
}
$(':input').change(myFunction).keyup(myFunction2);
});