Adds a range input slider to a leaflet map which automatically update when the input value is changed by calling a function taking the value as a parameter.

Check out the Demo.

The slider can be insterted like this: you create the control. The function fn should only take the value of the input as a parameter and will be called when the input value is changed.

newSlider = L.control.slider(<Function> fn, <Control.Slider options> options);

slider = L.control.slider(function(value) {console.log(value);}, {id:slider, 'vertical'});
slider2 = L.control.slider(function(value) {alert(value);}, {id:slider2, orientation: 'horizontal'});

• size: size of the slider, default is ‘100px’.
• position: position of the slider, default is ‘topright’. See L.Control in leaflet’s API.
• min: minimal value of the slider, default is 0.
• max: maximal value of the slider, default is 100.
• step: incremental step of values in range, default is 1.
• id: name of the slider, default is “slider”.
• value: onload value of the slider, default is 50.
• collapsed: wether the slider collapses when it looses focus, default is true.
• title: value of the title attribute, default is 'Leaflet Slider'.
• logo: letter on the button when collapsed, default is 'S'.
• orientation: orientation of the slider, either 'horizontal' or 'vertical', default is 'horizontal'.
• showValue: wether or not the value of the input should be shown next to the slider, default is true.
• getValue: the function called to transform the input of the slider into the value shown by showValue, default is function(value) {return value;}.
• increment: wether or not there should be increment and decrement buttons next to the slider, default is false.
• syncSlider: if set true, the value synchronizes slider's position, default is false.