JSFiddle - React, Tailwind, and code Playground
HTML
<form name="form1">
Please, input numbers from 1 to 3:
<br>
<input type="text" name="numbers">
<input type="button" value="Check" onclick="check(document.form1.numbers.value)">
</form>
JavaScript
function check(numbers) {
try {
if(numbers!=1 && numbers!=2 && numbers!=3) throw "Incorrect1";
else {
alert("Congratulation! Number is correct!");
}
}
catch(e) {
if(e=="Incorrect1") alert("Please, input numbers from 1 to 3");
}
finally {
alert("Thank you!");
}
}