how to make video play in website w3schools code example

Example 1: how to add a video playing on a html page

<iframe width="420" height="315"
src="https://www.youtube.com/embed/tgbNymZ7vqY">
</iframe>

Example 2: html video play

var vid = document.getElementById("myVideo");

function playVid() {
    vid.play();
}

function pauseVid() {
    vid.pause();
}