yuan.overload

yuan.overload makes it possible to design functions with overloaded parameters in ECMAScript.

Create Overloaded Function

var fn = yuan.overload.Function()
    .overload(
        String,
        function(s) {
            console.log('String fetched.');
        }
    )
    .overload(
        Number,
        function(n) {
            console.log('Number fetched.');
        }
    )
    ;

// Continue to overload 
fn.overload()