x3zone,
Вариант ограничение диапазона >400 с небольшой анимацией цвета.
<!doctype html>
<html>
<head>
<meta charset="utf-8" />
<title>jQuery UI Slider - Range slider</title>
<link rel="stylesheet" href="http://code.jquery.com/ui/1.10.2/themes/smoothness/jquery-ui.css" />
<script src="http://code.jquery.com/jquery-1.9.1.js"></script>
<script src="http://code.jquery.com/ui/1.10.2/jquery-ui.js"></script>
<script>
$(function () {
$("#slider-range").slider({
range: true,
min: 0,
max: 500,
values: [75, 300],
slide: function (event, ui) {
if (ui.values[1] > 400) {
$(".ui-widget-header").animate({
"background-color": "#FF0000"
}, 1000);
return false
} else $(".ui-widget-header").css({
"background": "#CCCCCC"
});
$("#amount").val("$" + ui.values[0] + " - $" + ui.values[1]);
}
});
$("#amount").val("$" + $("#slider-range").slider("values", 0) +
" - $" + $("#slider-range").slider("values", 1));
});
</script>
</head>
<body>
<p>
<label for="amount">Price range:</label>
<input type="text" id="amount" style="border: 0; color: #f6931f; font-weight: bold;" />
</p>
<div id="slider-range"></div>
</body>
</html>