// The client event MarginMouseDown takes two parameters sender and e
// sender is the object which is raising the event
// e is the SliderButtonMouseEventArgs
function WebSlider1_MarginMouseDown(sender, e) {
var slider = $find("WebSlider1");
//Gets minimum value as number
var minvalue = slider.get_minValueAsDouble();
//Gets maximum value as number
var maxvalue = slider.get_maxValueAsDouble();
//Checks which button is involved in event
var bool = e.isMinus();
if (bool == true) {
alert("The minimum value of the slider is " + minvalue);
}
else {
alert("The maximum value of the slider is " + maxvalue);
}
}