is perfect little message to display in the event of no JS. It could change the answer you get - e.g. – Benjamin Gruenbaum Aug 16 '13 at 8:55. Ideally, you'd like to be able to detect JS client side, and without using cookies, set a session server side for that user that indicates is JS is enabled.A possibility is to dynamically add a 1x1 image using JavaScript where the src attribute is actually a server side script. This is their code: IE9 (at least) has a setting "allow META REFRESH". (designed as if it wasn't there)Any elements that would require JavaScript, I place inside a tag something like:Once you are used to this method, it's fairly easy to hybridize your code to handle both situations, although I am only now experimenting with the A common solution is to the meta tag in conjunction with noscript to refresh the page and notify the server when JavaScript is disabled, like this:In the above example when JavaScript is disabled the browser will redirect to the home page of the web site in 0 seconds.
– Meek Aug 16 '13 at 8:55.
progressive enhancement should generally be favoured over trying to detect JavaScript being disabled and taking specific action based on that.progressive enhancement is what I am looking for. @Lee hits it on the nail, you can only do so much for the user before you draw the line on what you will support. - If Javascript is disable, it will show the css 'content:' rule text. I want ot be able to redirect them to alternate content that will function properly in the abscence of a JS enable or capable browser.The easiest way is to use noscript to show non javascript site, and use javascript to show any javascript depend elements by modifying style display.
Instead, you assume that javascript is disabled and build your webpage with javascript disabled. Agree that a popup is ugly nad I'm not really sure about this but it should be possible to open a popup outside the visible area of the screen so the user is not disturbed by this. If you just want it for logging purposes, you could use some sort of tracking scheme, where each page has JavaScript that will make a request for a special resource (probably a very small Why don't you just put a hijacked onClick() event handler that will fire only when JS is enabled, and use this to append a parameter (js=true) to the clicked/selected URL (you could also detect a drop down list and change the value- of add a hidden form field). If your server-side script gets a 0, no JS. @Kolors, I made that comment back in Mar 2012, and I'd argue that it's doubly-true today. The check is done one time only per session with these benefits:My code uses PHP, mysql and jquery with ajax but could be adapted to other languanges:Add this to every page after using session_start() or equivalent (jquery required):I've figured out another approach using css and javascript itself.Because of the BODY tag has been given the ID of #jsDis:You can play around with a #wrapper container, or with any DIV that use JS.Adding a refresh in meta inside noscript is not a good idea.The attribute value "Refresh" is nonstandard, and should not be used.
Die If-Anweisung dient dazu einen Ausdruck auszuwerten und je nach Ergebnis weiter zu verfahren. I hear this comment too often, yet it's only valid for the most simple of sites.
"Refresh" takes the control of a page away from the user.
When posted back you know if JS was enabled or not.Or you can try to open a popup window that you close rapidly (but that might be visible).Also you have the NOSCRIPT tag that you can use to show text for browsers with JS disabled.The noscript tag works well, but will require each additional page request to continue serving useless JS files, since essentially noscript is a client side check.You could set a cookie with JS, but as someone else pointed out, this could fail. if there is JS support the .no-js class will be replaced giving you all the styles as usual.noscript tags are okay but why have extra stuff in your html when it can be done with csswould work in any case right? The first solution requires a page reload and a form submission. Javascript is the future of the web. validation just determines how close the document follows the spec sheet, it in no way effects the usability of the page.
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