gistfile1.txt

function myFunction (a, blabla, c, somethingElse, e, f) {
    var obj = [];
    //'(a, b, c, d, e, f)' 
    var tmp = arguments.callee.toString().match(/\(.*?\)/g)[0];
    //["a", "b", "c", "d", "e", "f"] 
    var argumentNames = tmp.replace(/[()\s]/g,'').split(',');
    
    [].splice.call(arguments,0).forEach(function(arg,i) {
        obj.push({
            // question is how to get variable name here?
            name: argumentNames[i],// "a", "b", "c", "d", "e", "f"
            value: arg, //a, b, c, ,d, e, f
        })
    });
    return obj;
}
                      
console.log(JSON.stringify(myFunction(1, 2, 3, 4, 5, 6)));