Live preview inside iFrame and saving draft every 30 seconds
I am making a website where you type in CSS and there is a preview
(preview.php) - which is shown inside an iFrame - which has set text. I
would like preview.php to update live to when you type CSS into the css
file (relative to preview.php: designname/css/style.css), and to save the
edited CSS file every 30 seconds.
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