JavaScript loading event (onload)

Loading event (onload)

The event will occur immediately after the page is loaded, and the called program will be executed at the same time.
Note:

When the page is loaded, the onload event is triggered, and the event is written in the <body> tag.
The loading page of this section can be understood as opening a new page.
The following code, when loading a new page, pops up the dialog box "Loading...".

<!DOCTYPE HTML>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
        <title>php.cn</title>
        <script>
            function fun(){
                window.alert("加载中......")
            }
        </script>
    </head>
    <body onload="fun()">
        欢迎来到php.cn
    </body>
</html>

Continuing Learning

new file

<!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>php.cn</title> <script> function fun(){ window.alert("加载中？？？") } </script> </head> <body onload="fun()"> 欢迎来到php.cn </body> </html>

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JavaScript loading event (onload)

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