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<!DOCTYPE html>
<html>
<body>
​
<h2>Common JavaScript Mistakes</h2>
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<p>In strict comparison, data type does matter. This if statement returns false:</p>
​
<p id="demo"></p>
​
<script>
let x = 10;
let y = "10";
document.getElementById("demo").innerHTML = Boolean(x === y);
</script>
​
</body>
</html>
​