Check the function parameters : Function « Language Basics « JavaScript DHTML

Check the function parameters


<script type = "text/javascript" >
function addNums(firstNum,secondNum) {
    if ((isNaN(firstNum)) || (isNaN(secondNum))) {
        alert("Arguments must be numbers.");
    else if (firstNum > secondNum) {
        alert(firstNum + " is greater than " + secondNum);
    else {
        return firstNum + secondNum;
<script type = "text/javascript" >


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