js code to detect whether capitals are locked when entering password_javascript skills

It mainly performs real-time detection of Caps Lock for activated input boxes.

<div> <input class="text" name="passwd" id="loginPasswd" type="password" style="*display:block;"> <div style="color:#F90;padding:2px; position:absolute; display:none;" id="capital">Caps Lock is on</div> </div>
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