Answers for "how to do arrow key events in javascript"

4

javascript detect arrow key press

//detecting arrow key presses
document.addEventListener('keydown', function(e) {
    switch (e.keyCode) {
        case 37:
            alert('left');
            break;
        case 38:
           alert('up');
            break;
        case 39:
            alert('right');
            break;
        case 40:
            alert('down');
            break;
    }
});
Posted by: Guest on August-05-2019
1

js detect right key click

//detecting arrow key presses - supports both new and depricated methods
document.addEventListener('keydown', function(e) {
	var key = e.key || e.keyCode;
	switch (key) {
		case 'ArrowLeft': case 37:
			alert('left');
			break;
		case 'ArrowUp': case 38:
			alert('up');
			break;
		case 'ArrowRight': case 39:
			alert('right');
			break;
		case 'ArrowDown': case 40:
			alert('down');
			break;
	}
});
Posted by: Guest on November-08-2020

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