check if value is number
if(isNaN(num1))
OR:
if(typeof num1 == 'number'){
document.write(num1 + " is a number <br/>");
}else{
document.write(num1 + " is not a number <br/>");
}check if value is number
if(isNaN(num1))
OR:
if(typeof num1 == 'number'){
document.write(num1 + " is a number <br/>");
}else{
document.write(num1 + " is not a number <br/>");
}Copyright © 2021 Codeinu
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