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<!DOCTYPE html>
<html>
<body>
​
<h2>JavaScript Numbers</h2>
​
<p>If you add a numeric string and a number, the result will be a concatenated string:</p>
​
<p id="demo"></p>
​
<script>
let x = "10";
let y = 20;
document.getElementById("demo").innerHTML = "The result is: " + x + y;
</script>
​
</body>
</html>