JavaScript getElementById() method - JavaScript Tutorial 103
Notes for You:: JavaScript getElementById() method - JavaScript Tutorial 103
JavaScript document.getElementById("idAttributeValue") Method.
used to access HTML elements by their id attribute value
elementRef.innerHTML = "value";
used to change content of referenced HTML element.
elementRef.style.propertyName = "value";
used to apply css styles to referenced HTML element.
Example code:
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Accessing HTML Elements</title>
</head>
<body>
<p id="firstp">Paragraph Text</p>
<p>Paragraph Text</p>
<p>Paragraph Text</p>
<script type="text/javascript">
var firstp = document.getElementById("firstp");
firstp.innerHTML = "Page heading";
firstp.style.backgroundColor = "black";
firstp.style.color = "white";
firstp.style.fontSize = "32px";
</script>
</body>
</html>
Note:
replace < with less-than symbol.
replace > with greater-than symbol.
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