How to directly call the js method name in php: 1. Create an html sample file, and ensure that PHP is correctly installed and set up correctly; 2. Create a JavaScript file to store JS functions; 3. On the HTML page Introduce JavaScript files; 4. Use JavaScript's "call_user_func()" method in php to directly call JavaScript functions; 5. Open the html file in the browser and you can see that the js method is successfully called by php.
Operating system for this tutorial: Windows 10 system, php8.1.3 version, Dell G3 computer.
How php directly calls the js method name:
1. Create an HTML sample file, and ensure that PHP has been installed on the server and the related settings are correct
<!DOCTYPE html> <html> <head> <title>My PHP Page</title> </head> <body> <?php // This is a PHP comment. It will not be displayed in the browser. ?> </body> </html>
2 , Create a JavaScript file and set the js function
function myFunction() {
alert("Hello World!");
}3. Introduce the JavaScript file into the HTML page
<!DOCTYPE html> <html> <head> <script src="script.js"></script> </head> <body> <?php ?> </body> </html>
4. In the PHP code, you can use the following syntax to call the Function:
<?php
$jsCode = "myFunction();";
echo '<script>' . $jsCode . '</script>';
?>5. When the browser opens the html file, you can see that the js method is successfully called by php, and an alert pop-up window appears.
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