JavaScript Javascript：键盘捕获

Posted 2021-05-20

var isOpera = (navigator.userAgent.indexOf('Opera') != -1);
var isIE = (!isOpera && navigator.userAgent.indexOf('MSIE') != -1);

var keyPressed = 0;

if(!isIE){
	document.captureEvents(Event.KEYPRESS);
}

function captureKeyboard(e) {

	e=e?e:event;
	
	document.title = event.keyCode + ' - ' + e.keyCode;
	
    if (isIE) {
        keyPressed = e.keyCode;
	}else{
		keyPressed = e.charCode;	
	}
	
	window.status = keyPressed;
    return true;

}