<script type="text/javascript">
var x = prompt("Enter a number between 0 and 10:","")
alert(x)
try{
if(x>10)
throw "Err1"
else if(x<0)
throw "Erro2"
}
catch(er){
if(er=="Err1")
alert("Error! The value is too high")
if(er == "Err2")
alert("Error! The value is too low")
}
</script>