JavaScript常用工具函数( 三 ) _生活百科

禁止某些键盘事件

document.addEventListener('keydown', function (event) {return (!((112 == event.code || //F1123 == event.code || //F12(event.ctrlKey && 82 == event.code) || //ctrl + R(event.ctrlKey && 78 == event.code) || //ctrl + N(event.shiftKey && 121 == event.code) || //shift + F10(event.altKey && 115 == event.code) || //alt + F4('A' == event.srcElement.tagName && event.shiftKey)) //shift + 点击a标签) || (event.returnValue = https://www.huyubaike.com/biancheng/false))})

禁止右键、选择、赋值

['contextmenu', 'selectstart', 'copy'].forEach(function (ev) {document.addEventListener(ev, function (event) {return (event.returnValue = https://www.huyubaike.com/biancheng/false)})})

常用js工具函数，长期维护更新