如何在javascript中检测shift + key down? [英] How can I detect shift + key down in javascript?
本文介绍了如何在javascript中检测shift + key down?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
如何在JavaScript中检测shift +键?
How can I detect shift + key down in JavaScript?
推荐答案
var onkeydown = (function (ev) {
var key;
var isShift;
if (window.event) {
key = window.event.keyCode;
isShift = !!window.event.shiftKey; // typecast to boolean
} else {
key = ev.which;
isShift = !!ev.shiftKey;
}
if ( isShift ) {
switch (key) {
case 16: // ignore shift key
break;
default:
alert(key);
// do stuff here?
break;
}
}
});
这篇关于如何在javascript中检测shift + key down?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文