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design an algorithm that prompts the user to enter a number in the range of 1 through 100 and validates the in?
put.
2 Answers
- ?Lv 71 decade agoFavorite Answer
<html>
<body>
<script type="text/javascript">
var x=prompt("Enter a number between 0 and 100:","");
try
{
if(x>100)
{
throw "Err1";
}
else if(x<0)
{
throw "Err2";
}
else if(isNaN(x))
{
throw "Err3";
}
}
catch(er)
{
if(er=="Err1")
{
alert("Error! The value is too high");
}
if(er=="Err2")
{
alert("Error! The value is too low");
}
if(er=="Err3")
{
alert("Error! The value is not a number");
}
}
</script>
</body>
</html>
- 1 decade ago
If you have 2 apples and sally has 3, how many apples do you have?
Source(s): You have 2 apples.
