class Slider_Control extends WP_Customize_Control{
public $type = 'slider';
public function render_content(){
?>
<label>
<span class="customize-control-title"><?php esc_html($this->label); ?> </span>
<p>Value: <?php echo $this->value; ?></p>
<input type="hidden" value="<?php echo $this->value; ?>" />
</label>
<div class="slider"></div>
<script type="text/javascript">
jQuery(function(){
jQuery('.slider').slider();
});
</script>
<?php
}
}