js and jquery entry function

   //The execution is later than the execution of the entry function of jq;
 window.onload = function () {     console.log("I am the entry function of js, and finally execute the internal code!");   };     //jq is just when the page label is loaded carried out.   $(document).ready(function () {     console.log("I don't have to wait for pictures and other resources to load...");   });     //js finally starts execution.   $(function () {     console.log("I need to wait for pictures and other resources to load...");   });