JavaScript keycode of the space bar is 32. These keycode values are only valid during keydown and keyup events. On Mac, keypress events give you a completely different set of codes.
Must Read: JavaScript keycode list
Example spacebar key code JavaScript
HTML example code executes JS code after pressing the space bar.
<!DOCTYPE html>
<html>
<body>
<script>
document.body.onkeyup = function(e){
if(e.keyCode == 32){
alert(e.code);
}
}
</script>
</body>
</html>
Output:
Do comment if you have any doubts and suggestions on this JS Keycode tutorial.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version