Skip to content

Instantly share code, notes, and snippets.

@momin-riyadh
Last active October 16, 2017 08:27
Show Gist options
  • Select an option

  • Save momin-riyadh/8bf2ae5cbf6130b105594d0da0960675 to your computer and use it in GitHub Desktop.

Select an option

Save momin-riyadh/8bf2ae5cbf6130b105594d0da0960675 to your computer and use it in GitHub Desktop.
JavaScript Width change events
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>JavaScript Dynamically Width Change</title>
</head>
<body>
<div id="header"></div>
<script type="text/javascript">
window.addEventListener("resize", update);
var x = document.getElementsByTagName(body);
update();
function update() {
if (document.body.innerWidth <= 600) {
x.style.backgroundColor = "green",
x.style.height = "100vh",
x.style.color = "#ffffff",
x.innerHTML = "<h2>Background has been changed!</h2>"
} else {
x.style.backgroundColor = "gray",
x.style.height = "100vh"
}
}
</script>
</body>
</html>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment