how to set autoplay in iframe code example
Example 1: iframe autoplay
<iframe src="https://www.youtube.com/embed/dQw4w9WgXcQ?autoplay=1" allow='autoplay'></iframe>
Example 2: disable autoplay in html iframe
<iframe width="{$width}" height="{$height}" src="http://blank.com/embed/{$id}" allowfullscreen="" controls="" autoplay="" frameborder="0" scrolling="no"></iframe>
<iframe width="{$width}" height="{$height}" src="http://blank.com/embed/{$id}" allowfullscreen="" controls="controls" autoplay="false" frameborder="0" scrolling="no"></iframe>
<iframe width="{$width}" height="{$height}" src="http://blank.com/embed/{$id}" allowfullscreen="" controls="0" autoplay="0" frameborder="0" scrolling="no"></iframe>
Example 3: Iframe video autoplay
<iframe src="//www.youtube.com/embed/{{YOUTUBE-ID}}?autoplay=1&mute=1" name="youtube embed" allow="autoplay; encrypted-media" allowfullscreen></iframe>