Delayed Mouse Tracking

HTML

<div id="test"></div>

JavaScript

var some2=2;
try{

 var some3=some1+some2;

}
catch (e){
    try{
    var some3=some1;
      document.getElementById("test").innerHTML= some3;
    
    }catch (e){
        try{
           var some3=some2 ;
           document.getElementById("test").innerHTML= some3;
    
    }
        catch (e){
        document.getElementById("test").innerHTML="no satisfied condition";
        }
    }
}