JavaScript mouse over event (onmouseover)

Mouse over event, when the mouse moves over an object, the object triggers the onmouseover event and executes the program called by the onmouseover event.

Example: When the mouse moves to the element bound to the onmouseover event, a dialog box pops up

<!DOCTYPE HTML>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
        <title>php.cn</title>
        <script>
            function fun(){
                window.alert("请确认四周没有人再点击提交")
            } 
        </script>
    </head>
    <body>
        <form>
            机密：
            <input name="txt" type="text" >
            <input name="" type="button" value="提交" onmouseover="fun()"/>
        </form>
    </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("请确认四周没有人再点击提交") } </script> </head> <body> <form> 机密： <input name="txt" type="text" > <input name="" type="button" value="提交" onmouseover="fun()"/> </form> </body> </html>

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Automatic operation

JavaScript mouse over event (onmouseover)

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