Execute function not often than wait time period

debounce.js

/*
 * func - function you want to debounce
 * wait - time period in milliseconds
 * immediate - boolean if you want to execute function right away
 */
function debounce(func, wait, immediate) {
  var timeout;
  return function() {
    var context = this, args = arguments;
    var later = function() {
      timeout = null;
      if (!immediate) func.apply(context, args);
    };
    var callNow = immediate && !timeout;
    clearTimeout(timeout);
    timeout = setTimeout(later, wait);
    if (callNow) func.apply(context, args);
  };
};

// Ensure that there is one function call every second
var optimizedFunc = debounce(function() {
  // my complex logix here
}, 1000);