window.document.onkeydown = function(keyEvent){
keyEvent = keyEvent ? keyEvent : window.event;
var keyValue = keyEvent.which ? keyEvent.which : keyEvent.keyCode;
console.log(keyValue);//按下键盘获取键值码
}
本文介绍了一个简单的JavaScript代码片段,用于监听并记录用户在浏览器窗口中按下的每一个按键的键值码。这对于理解键盘输入事件和键值码如何在前端开发中工作非常有用。
window.document.onkeydown = function(keyEvent){
keyEvent = keyEvent ? keyEvent : window.event;
var keyValue = keyEvent.which ? keyEvent.which : keyEvent.keyCode;
console.log(keyValue);//按下键盘获取键值码
}
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