Call documentReady function on window load?

A quick one...

How can I run a function at window load defined in document ready?

$(document).ready(function() {
   //How do I run this, down from Load??
   function thisFunction() {
      alert("This function");
   }
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$(window).load(function() {
   thisFunction();
});

---

$(document).ready(function() {
   //How do I run this, down from Load??
   function thisFunction() {
      alert("This function");
   }
   $(window).load(thisFunction);
});

---

$(document).ready(function() {
   //How do I run this, down from Load??
   window.thisFunction = function() {
      alert("This function");
   }
});

$(window).load(function() {
   thisFunction();
});

This will work.