Prevents backspace from leaving a page without confirmation. Prevent frustrating loss of form data when the keyboard focus is mistakenly not in an input field.
Note: doesn't work in chrome webstore or config pages as extensions are disabled there.
谷歌浏览器、其他Chromium内核的浏览器
为打击盗链困扰,本站已启用人机验证
微信扫码关注左侧公众号,发送“插件”二字获得验证码,验证码5分钟全站有效