Modifying the display property with javascript can disrupt the layout

Hello there, I am a crucial part of a webpage that is designed to only display if javascript is enabled.

I have experimented with two different methods:

Method 1: Initially, I set the class to display: hidden; and then modify it if javascript is functioning properly by overriding it...

<script type="text/javascript>
//<![CDATA[
$(document).ready(function() {
    document.getElementById('only-show-if-js-enabled').style.display = 'block';});
//]]>
</script> 


and additionally,

Method 2: I alter the id to one that has its display property set as block (or auto)...

<script type="text/javascript>
//<![CDATA[
$(document).ready(function() {
    $("#js-not-enabled").attr('id', 'js-enabled');
});
//]]>
</script> 


Unfortunately, both methods appear to disrupt the actual formatting of the page. The first method ignores my CSS instructions for list style none, while the second doesn't respect the overflow:hidden setting.

What could possibly be causing this issue?

UPDATE: In a moment of embarrassment, I discovered that I had mistakenly set overflow to auto instead of hidden. My apologies for the confusion.

I appreciate both responses though, as they offered valuable insights into best practices. Thank you!

Answer №1

Here is the solution you were looking for: http://jsfiddle.net/kkwan/1/

$('#only-show-if-js-enabled').show();

It seems like I overlooked the main issue... Have you tried changing the display: none; to display: block; in the CSS and checking if it works without the additional code mentioned? You could also use Firebug to troubleshoot.

Answer №2

One way to implement this concept in a modern approach is to utilize the document ready function as shown below:

<script type="text/javascript"> 
//<![CDATA[
$(document).ready(function() {
    $("body").addClass("js");
//]]>
</script>

Subsequently, you can leverage CSS to selectively display content based on whether JS is enabled or disabled.

#OnlyShowWhenJsDisbaled { display: none; } /*hidden by default */
body.js #OnlyShowWhenJsEnabled { display: block; } /*visible when js is activated*/

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