When JavaScript is disabled, I want to display an entirely different set of content. While I am aware that the <noscript> tag can be used for this purpose, how can I ensure that the remaining page elements are hidden as well?
Any suggestions would be greatly appreciated.
Here's an alternative approach:
Incorporate the following code inside the head section of your HTML document after the regular stylesheet:
<link rel="stylesheet" href="jsdisabled.css" />
<script type="text/javascript">
document.write('<link rel="stylesheet" href="jsenabled.css" />');
</script>
The file jsenabled.css should contain:
#content { display:block; }
On the other hand, jsdisabled.css would include:
#content { display:none; }
Although this solution is effective, it may not pass validation tests.
You can use a noscript tag to apply styling that hides content for visitors with JavaScript disabled:
For example:
<noscript>
<style type="text/css">
#content { display:none; }
</style>
Content for non-JS users goes here.
</noscript>
<div id="content">
Main content appears here.
</div>
This method is preferred by some as it prevents flickering on the page when JavaScript is supported.
I prefer not to use the noscript element for displaying alternate content. The limited number of valid tags within a <noscript> tag, excluding <style>, is one reason why. Instead, I suggest taking a different approach. Make your content visible by default when JavaScript is disabled and show alternate content when JavaScript is enabled. This can be achieved easily with basic CSS and just one line of JS. By following this method, you can avoid any sudden flashes of content:
<head>
...
<script type="text/javascript"> document.documentElement.className += " js"</script>
<link type="text/css" href="css/style.css" media="all" rel="stylesheet" />
</head>
<body>
<div id="header" class="no_js">header</div>
<div id="alt_header" class="js">header</div>
.. etc ..
<div id="super_duper" class="js">Whatever</div>
</body>
To implement this, simply assign the class js to elements that should display when JavaScript is enabled, and no_js to others. Then, include the following CSS rules:
html.js .no_js, html .js { display: none }
html.js .js { display: block }
Employ meta tags for an alternative page redirection method.
<noscript>
<meta http-equiv="refresh" content="2; URL=enable_javascript.php">
</noscript>
One way to dynamically change the content of a page using Javascript is by redirecting users to a different page that also contains Javascript.
Here's an example:
<script type="text/javascript">
window.location.href = "newPage.html";
</script>
Content without Javascript can be placed here
It seems that all of the suggestions mentioned above are acceptable. Here's another option you might want to consider:
<head>
<script type="text/javascript">
//if javascript is enabled
window.onload=function(){
document.getElementById('jsContentWrapper').style.display='block';
}
</script>
</head>
<body>
<div id='jsContentWrapper' style='display:none;'>
---
--
-
</div>
<noscript>
Insert alternative content for when JavaScript is disabled here
</noscript>
</body>
Thank you.
To configure a div tag with the identifier of "content," insert the desired content for display in case of disabled javascript. Employ jquery's
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