Question

In: Computer Science

Provide two text boxes for the user to enter in 2 values. Once the user clicks...

Provide two text boxes for the user to enter in 2 values. Once the user clicks off the second box, the
sum of the two numbers displayed as a header level 2.

here is what i have , and i cant find a way to display the sum of the numbers in each box in the header along with the other text.

<h1>Problem 6</h1>
<input type="text" id="txt1" onkeyup="sum();" />
<input type="text" id="txt2" onkeyup="sum();" />
<h2 id="txt3" result=""> The sum of the two numbers is=""</h2>
   <script>
   function sum() {
var txtFirstNumberValue = document.getElementById('txt1').value;
var txtSecondNumberValue = document.getElementById('txt2').value;
var result = parseInt(txtFirstNumberValue) + parseInt(txtSecondNumberValue);
if (!isNaN(result)) {
document.getElementById('txt3').value = result;
}
}
   </script>

Expert Solution

HTML file :

<!DOCTYPE html>

<head>

</head>

<body>

<h1>Problem 6</h1>

<h2 id="txt3" result=""> The sum of the two numbers is =</h2>

//function sum()

function sum() {

//getting first number entered by user

var txtFirstNumberValue = document.getElementById('txt1').value;

//getting second number entered by user

var txtSecondNumberValue = document.getElementById('txt2').value;

//add numbers

var result = parseInt(txtFirstNumberValue) + parseInt(txtSecondNumberValue);

if (!isNaN(result)) {

//display result

document.getElementById('txt3').innerHTML = "The sum of the two numbers is ="+result;

}

</script>

</body>

</html>

==============================================

Screen showing textboxes :

Screen showing result :

venereology answered 6 months ago

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