JS anti-WinDOS lock screen function realization

class="layui-nav-item">    <a href="javascript:; " id="lock">         class="Iconfont Icon-diannao1"></i>      lock Screen </a></li>

<Divclass= "Lock-screen"style= "Display:none;">    <DivID= "Locker"class= "Lock-wrapper">        <DivID= "Time"></Div>        <Divclass= "Lock-box Center">            <imgsrc= "/static/images/user.jpg"style= "width:100px;height:100px;"alt="">            <H1>Admin</H1>            <Duvclass= "Form-group col-lg-12">                <inputtype= "Password"placeholder= ' Lock screen status, please enter password to unlock 'ID= "Lock_password"class= "Form-control lock-input"Autofocus Name= "Lock_password">                <ButtonID= "Unlock"class= "Btn Btn-lock">Unlock</Button>            </Duv>        </Div>    </Div></Div>

 //shortcut key lock screen settings$ (document). KeyDown (function(e) {if(E.altkey && E.which = = 76) {Locksystem ();   }    }); functionStarttimer () {vartoday=NewDate (); varH=today.gethours (); varm=today.getminutes (); vars=today.getseconds (); M= M < 10? ' 0 ' +m:m; S= S < 10? ' 0 ' +s:s; $(' #time '). html (H + ":" +m+ ":" +s); varT=settimeout (function() {Starttimer ()},500); }   //lock screen Status detection   functionChecklockstatus (locked) {//Lock Screen        if(Locked = = 1){            $('. Lock-screen '). Show (); $(' #locker '). Show (); $(' #layui_layout '). Hide (); $(' #lock_password '). Val ('); }Else{            $('. Lock-screen '). Hide (); $(' #locker '). Hide (); $(' #layui_layout '). Show (); }} checklockstatus (' 0 '); //Lock Screen   functionLocksystem () {varurl = ' '; $.post (URL,function(data) {if(data) {Checklockstatus (1); }Else{Layer.alert (' Lock screen failed, please try again later! ‘);          }              });   Starttimer (); }   //Unlocking the screen   functionUnlocksystem () {//The code with the background interaction has been removed, and this feature is defined or removed as requiredChecklockstatus (0); }   //Click on the lock screen$ (' #lock '). Click (function() {Locksystem ();   }); //Unlock Access System$ (' #unlock '). Click (function() {Unlocksystem ();   }); //monitoring Lock_password keyboard Events$ (' #lock_password '). KeyPress (function(e) {varKey =E.which; if(Key = = 13) {Unlocksystem (); }    });

JS anti-WinDOS lock screen function realization