Is there a way to disable <style> blocks in browsers other than IE? All browsers allow setting
document.styleSheets[x].disabled = true<style disabled="true">. It is puzzling that something can be done dynamically but not statically. Any suggestions for a workaround?
Building upon the response about the media query from @lampyridae, you have the option to exclude a media selector using not. I personally disable a style tag statically with media="not all", and this method has proven effective for me in Chrome 79.
The style element does not support the attribute disabled. According to the HTML specification:
<!ELEMENT STYLE - - %StyleSheet -- style info -->
<!ATTLIST STYLE
%i18n; -- lang, dir, for use with title --
type %ContentType; #REQUIRED -- content type of style language --
media %MediaDesc; #IMPLIED -- designed for use with these media --
title %Text; #IMPLIED -- advisory title --
>
However, in the HTMLStyleElement DOM interface, there is a property called disabled. As stated in the DOM specification:
interface HTMLStyleElement : HTMLElement {
attribute boolean disabled;
attribute DOMString media;
attribute DOMString type;
};
It's important to differentiate between an HTML element and its representation in the DOM. The fact that something can be done dynamically but not statically is not unusual. The HTML and DOM specifications serve different purposes. HTML functions as a markup language, while the DOM provides a standard way to work with document objects.
The media attribute can be manipulated in both HTML and through Javascript. The goal is to adjust the media attribute in a way that prevents the style tag from affecting any device, effectively disabling it.
Using an invalid value like media="bogus" or media="none" might not work as expected, as some browsers could ignore the setting and apply the style to all media types. However, defining a max screen width of one pixel is considered a valid method and essentially achieves the same result of disabling the style tag.
var style = document.querySelector("#my-style");
document.querySelector("#btn-style").addEventListener("click",function() {
style.removeAttribute("media");
});
document.querySelector("#btn-unstyle").addEventListener("click",function() {
style.setAttribute("media", "max-width: 1px");
});<style id="my-style" media="max-width: 1px">
p { color: red }
</style>
<p>Styled if you click below.</p>
<button id="btn-style">Style that p</button>
<button id="btn-unstyle">Unstyle that p</button>To achieve this statically, simply eliminate the style tag.
Alternatively, you have the option to delete the style node from the DOM and then re-insert it in order to reactivate it.
An easy solution is to create it as an alternative style sheet with a unique title compared to the primary style sheet. This will prompt browsers to disable it by default.
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