Loading maps Asynchronously

Hello everyone:

Today's another way to load a map: Loading the map asynchronously: by the way, I learned a bit, JS scripting language! Let's share a bit!

<span style= "FONT-SIZE:14PX;" ><! DOCTYPE html>Here are a few points of knowledge:
<span style= "FONT-SIZE:14PX;" >window.onload () method:</span>
Some functions can be called when the page loads
function A () {}window.onload = A; it can also be called when the page is loaded window.onload = =function () {a ();  b (); } to invoke multiple methods


Loading maps Asynchronously