The selectstart event of the Selection API is fired when a user starts a new selection.
If the event is canceled, the selection is not changed.
Use the event name in methods like addEventListener(), or set an event handler property.
addEventListener("selectstart", (event) => { })
onselectstart = (event) => { }A generic Event.
// addEventListener version
document.addEventListener("selectstart", () => {
console.log("Selection started");
});
// onselectstart version
document.onselectstart = () => {
console.log("Selection started.");
};