JS Rate Limiting

rateLimit.js

// Returns a function that won't fire more than
// once every `wait` milliseconds.
//
// Example usage:
//
//   $('.button').click(rateLimit(function(){
//       console.log('clicked!');
//   }));
//
function rateLimit(func, wait) {
    var timeout;
    return function() {
        var context = this, args = arguments;

        if (!timeout) {
            func.apply(context, args);
        }

        timeout = setTimeout(function() {
            timeout = null;
        }, wait);
    };
}