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Is there a way to set the CSS of global classes using JavaScript or jQuery? That is, append .my_class { foo:bar } to the <style/> tag of the page?
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Classes are names that you can assign to a set of styles and apply them to elements. This helps when you want to apply the same style rules to multiple elements. You can search and add a class from the Styling tab of any element.
jQuery css() Method The css() method sets or returns one or more style properties for the selected elements. When used to return properties: This method returns the specified CSS property value of the FIRST matched element.
The class name can be used by JavaScript to manipulate the specified element while CSS uses that class name to style that element. Hence, in this post, we will go through how to modify CSS classes in JavaScript but first let us set the environment by initializing elements in HTML and then styling that element in CSS.
Traditionally, websites are styled using global CSS files. Globally-scoped CSS rules are declared in external . css stylesheets, and CSS specificity and the Cascade determine how styles are applied.
Pure javascript -
var style=document.createElement('style');
style.type='text/css';
if(style.styleSheet){
style.styleSheet.cssText='your css styles';
}else{
style.appendChild(document.createTextNode('your css styles'));
}
document.getElementsByTagName('head')[0].appendChild(style);
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