var el, newPoint, newPlace, offset;
$('input[type=range]').on('input', function () {
$(this).trigger('change');
});
// Select all range inputs, watch for change
$("input[type='range']").change(function() {
// Cache this for efficiency
el = $(this);
// Measure width of range input
width = el.width();
// Figure out placement percentage between left and right of input
newPoint = (el.val() - el.attr("min")) / (el.attr("max") - el.attr("min"));
offset = -1;
// Prevent bubble from going beyond left or right (unsupported browsers)
if (newPoint < 0) { newPlace = 0; }
else if (newPoint > 1) { newPlace = width; }
else { newPlace = width * newPoint + offset; offset -= newPoint; }
// Move bubble
el
.next("output")
.css({
left: newPlace,
marginLeft: offset + "%"
})
.text(el.val());
})
// Fake a change to position bubble at page load
.trigger('change');
