传统注册方式代码:
document.onkeyup = function () { console.log('我弹起了'); } document.onkeydown = function () { console.log('我按下了down'); } document.onkeypress = function () { console.log('我按下了press'); }
运行结果:
用addEvenLlistener代码:
document.addEventListener('keyup', function () { console.log('我弹起了'); }) document.addEventListener('keydown', function () { console.log('我按下了down'); }) document.addEventListener('keypress', function () { console.log('我按下了down'); })
运行结果:
只有在按下F12的时候才显示keyup和keydown,不显示keypress
浏览器是chorm
标签:function,console,log,keypress,keyup,keydown,addEventListener,document From: https://www.cnblogs.com/doubleyancode/p/17210246.html