[英]Detect and warn users about caps lock is on
How to implement to detecting and warning users when caps lock is on with (or not) tooltip style in typescript (angular 4.2.2)??如何在打字稿(角度 4.2.2)中使用(或不使用)工具提示样式启用大写锁定时检测和警告用户? Maybe with some keyup events, or like
toUpperCase()
in JS.也许有一些 keyup 事件,或者像 JS 中的
toUpperCase()
。
How to implement to detecting and warning users when caps lock is on with (or not) tooltip style in typescript (angular 4.2.2)??如何在打字稿(角度 4.2.2)中使用(或不)工具提示样式启用大写锁定时检测和警告用户? Maybe with some keyup events, or like
toUpperCase()
in JS.也许有一些 keyup 事件,或者像 JS 中的
toUpperCase()
。
How to implement to detecting and warning users when caps lock is on with (or not) tooltip style in typescript (angular 4.2.2)??如何在打字稿(角度 4.2.2)中使用(或不)工具提示样式启用大写锁定时检测和警告用户? Maybe with some keyup events, or like
toUpperCase()
in JS.也许有一些 keyup 事件,或者像 JS 中的
toUpperCase()
。
How to implement to detecting and warning users when caps lock is on with (or not) tooltip style in typescript (angular 4.2.2)??如何在打字稿(角度 4.2.2)中使用(或不)工具提示样式启用大写锁定时检测和警告用户? Maybe with some keyup events, or like
toUpperCase()
in JS.也许有一些 keyup 事件,或者像 JS 中的
toUpperCase()
。
@HostListener('window:click', ['$event'])
@HostListener('window:keydown', ['$event'])
@HostListener('window:keyup', ['$event'])
onCapsCheck(event: MouseEvent | KeyboardEvent) {
this.capsOn = !!(event.getModifierState && event.getModifierState('CapsLock'));
}
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