The difference between onload and ready

1. ?	Window.load	$ (document). Ready ()
   Timing of execution	You must wait for all content in the Web page to finish loading (including pictures) to perform	After all the DOM structures in the Web page are drawn, the content that can be associated with the DOM element is not loaded
   Number of writes	You cannot write multiple The following code does not execute correctly: Window.onload = function () { Alert ("OFFCN"); }; Window.onload = function () { Alert ("offcn.com"); }; The result only outputs a second	can simultaneously write multiple The following code executes correctly: $ (document). Ready (function () { Alert ("Hello OFFCN"); }); $ (document). Ready (function () { Alert ("Hello offcn.com"); }); Results are output twice
   Simplified notation	No	$ (function () { Do something });

The difference between onload and ready