To <label> When you click an event, even clicked twice

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To <label> When you click an event, even clicked twice, so the label surrounded input is always checked or not checked

 

var evTimeStamp = 0 ; 
    $ ( ".all-label") ON ( "the Click",. function (E) {
     // solve label click will trigger twice to start 
        var now = + new new a Date ();
         IF (now - evTimeStamp <100 ) {
             return ; 
        } 
        evTimeStamp = now; 
     // solve label click will trigger twice to finish 

})