<button>Click me any way you want</button>
<script>
let button = document.querySelector("button");
button.addEventListener("mousedown", event => {
if (event.button == 0) {
console.log("Left button");
} else if (event.button == 1) {
console.log("Middle button");
} else if (event.button == 2) {
console.log("Right button");
}
});
</script><p>Press Control-Space to continue.</p>
<script>
window.addEventListener("keydown", event => {
if (event.key == " " && event.ctrlKey) {
console.log("Continuing!");
}
});
</script><button>Act-once button</button>
<script>
let button = document.querySelector("button");
function once() {
console.log("Done.");
button.removeEventListener("click", once);
}
button.addEventListener("click", once);
</script><a href="https://developer.mozilla.org/">MDN</a>
<script>
let link = document.querySelector("a");
link.addEventListener("click", event => {
console.log("Nope.");
event.preventDefault();
});
</script>