获取keyCode的方式包括监听键盘事件、使用event.key属性、和查找对应的keyCode映射表。其中,监听键盘事件是最直接的方法。当用户按下一个键时,浏览器会触发一个键盘事件(如keydown、keyup),这个事件对象中就包含了相关的键盘操作信息,其中event.keyCode(现已被废弃,推荐使用event.code或event.key)属性即是我们所要获取...
function keyDown(e){if(ns4){var nkey=e.which;var iekey='现在是ns浏览器';var realkey=String.fromCharCode(e.which);}if(ie4){var iekey=event.keyCode;var nkey='现在是ie浏览器';var realkey=String.fromCharCode(event.keyCode);if(event.keyCode==32){realkey='\' 空格\''}if(event.keyC...
var iekey=event.keyCode;var nkey='现在是ie浏览器';var realkey=String.fromCharCode(event.keyCode);if(event.keyCode==32){realkey='\' 空格\''}if(event.keyCode==13){realkey='\' 回车\''}if(event.keyCode==27){realkey='\' Esc\''}if(event.keyCode==16){realkey='\' Shift\''}if(...
keycode 1 = keycode 2 = keycode 3 = keycode 4 = keycode 5 = keycode 6 = keycode 7 = keycode 8 = BackSpace BackSpace keycode 9 = Tab Tab keycode 10 = keycode 11 = keycode 12 = Clear keycode 13 = Enter keycode 14 = keycode 15 = keycode 16 = Shift_L keycode 17 = Control_L k...
document.addEventListener('keydown', function(e) { if(e.keyCode === <KEY_CODE>) { e.preventDefault(); console.log('You just pressed a key'); } }); jQuery(document).on('keydown', function(e) { if(e.keyCode === <KEY_CODE>) { e.preventDefault(); console.log('You just presse...
1、Javascript keyCode键盘键码值表keycode 0 =keycode 1 =keycode 2 =keycode 3 =keycode 4 =keycode 5 =keycode 6 =keycode 7 =keycode 8 = BackSpace BackSpacekeycode 9 = Tab Tabkeycode 10 =keycode 11 =keycode 12 = Clearkeycode 13 = Enterkeycode 14 =keycode 15 =keycode 16 = Shift_L...
Key CodeKey Info3break8backspace / delete9tab12clear13enter16shift17ctrl18alt19pause/break20caps lock21hangul25hanja27escape28conversion29non-conversion32spacebar33page up34page down35end36home37left arrow38up arrow39right arrow40down arrow41select42print43execute44Print Screen45insert46delete47help...
按键对应的编码(JavaScript Char/key Codes) <table border="0" cellspacing="0" cellpadding="5" width="511" height="2581"> <tbody> <tr> <td>Key Pressed</td> <td>Javascript Key Code</td> </tr> <tr> <td>backspace</td> <td>8</td>...
event.keyCodevsevent.which:两者都可以用来获取按键的ASCII码值,但event.which在跨浏览器兼容性上表现更好。 event.keyCodevsevent.key:event.key返回的是实际的字符串值,而不是ASCII码值,这使得event.key在理解组合键和特殊键(如功能键、箭头键等)方面更加直观和有用。
code: "Enter", key: "Enter", bubbles: true, cancelable: true }); 这段代码创建了一个模拟按下回车键的事件。bubbles属性设为true表示事件可以冒泡,cancelable表示事件可以被取消。 二、设置键盘事件的关键属性 为了更准确地模拟用户的输入,你可能需要设置更多的事件属性来模拟实际场景中的键盘操作。例如,你可以...