PHP+Javascript calls php program in JavaScript

Copy the code The code is as follows:

< ;head>


Copy the code The code is as follows:

if($_GET ["action"]=="ok")
{
echo "I'm OK!";
}
else
{
echo "I'm not OK!";
}
?>

The above has introduced PHP+Javascript to call php programs in JavaScript, including the content of PHP+Javascript. I hope it will be helpful to friends who are interested in PHP tutorials.