throttle a function call in javascript

throttle.js

#!/usr/bin/env node
"use strict"

function throttle(fn, limitInMs) {
    var count = 0;

    return function () {
        var context = this, args = arguments;
        console.log("waiting: ", limitInMs * count, "ms")
        setTimeout(function () {
          fn.apply(context, args)
          count -= 1;
        }, limitInMs * count)
        count += 1;
    }
}

// var throttled = throttle(function(b) { console.log(b) }, 5000)
// throttled("doesnt wait")
// throttled("waits 5s")
// throttled("waits 10s")

// setTimeout(function(){
//   throttled("boo")
// }, 2000)