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

0 vote147 views1 answer
Python regex in html
Html
15 votes177 views3 answers
Game engine
Html
3 votes152 views2 answers
What is <tr> in HTML
Html
6 votes109 views1 answer
Timepicker html
Html
2 votes155 views2 answers
Ng-bind-html vuejs
Html
-1 vote162 views1 answer
Display text html
Html
0 vote149 views1 answer
Am pm after the time in html
Html
-1 vote154 views1 answer
Bannière html
Html
0 vote145 views1 answer
Html5ap
Html
13 votes142 views3 answers
Remove basic html style link
Html