How to detect Backquote (`)
document.addEventListener('keydown', (event) => {
if (event.key === "`") {
// Backquote (`) was pressed
}
});
Use event.key to react to what the key means (it follows the keyboard layout) and event.code for its physical position, for example WASD in games. keyCode and which are deprecated: they still work, but their values differ between browsers and layouts.
How browsers treat Backquote (`)
Often used to open a console in games. On many international layouts it’s a dead key (event.key === "Dead") that waits for the next keystroke.
In React
<input onKeyDown={(e) => { if (e.key === "`") { /* … */ } }} />