Iframe youtube not working

Youtube iframe autoplay not working

<iframe id="existing-iframe-example"
          width="640" height="360"
          src="https://www.youtube.com/embed/-SFcIUEvNOQ?autoplay=1&mute=1&enablejsapi=1"
          frameborder="0"
          style="border: solid 4px #37474F"
          ></iframe>

Source: stackoverflow.com

Iframe youtube not working

<iframe width="560" height="315" src="https://www.youtube.com/embed/ZwKhufmMxko" frameborder="0" allowfullscreen></iframe>

Source: stackoverflow.com

Similar codes

60 votes113 views2 answers
Radio buttons
Html
1 vote98 views1 answer
Icon inside input
Html
3 votes111 views1 answer
Reset button html
Html
0 vote119 views1 answer
Iphone disable zoom on select
Html
54 votes136 views6 answers
Html start
Html
68 votes137 views6 answers
Img html
Html
63 votes147 views1 answer
How to open link in a new tab
Html
0 vote120 views1 answer
360 degree rotate image website code
Html
0 vote204 views1 answer
Html flag icons
Html
0 vote86 views3 answers
Tailwind css card
Html