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<h1 style="color: red; font-size: 50px;">The length Property</h1>
<p>Click the button to return the number of styles set on the H1 element:</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
var elmnt = document.getElementsByTagName("h1")[0];
var x = elmnt.style.length;
document.getElementById("demo").innerHTML = x;
}
</script>
</body>
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