How change content value of pseudo :before element by Javascript
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Selecting and manipulating CSS pseudo-elements such as ::before and ::after using javascript (or jQuery)
96276
can I change value of $_SERVER['DOCUMENT_ROOT']?
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Only detect click event on pseudo-element
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How to change the style of the title attribute inside an anchor tag?
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Add a section before \tableofcontents to content
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Changing CSS Values with Javascript
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Use javascript to click on a pseudo-element?
157331
How to use hook_node_presave to change field's value
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Prepend text to beginning of string
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\maketitle text before title
106857
Why don't :before and :after pseudo elements work with `img` elements?
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Placing items before \documentclass
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How do I wrap text in a pre tag?
131454
CSS :selected pseudo class similar to :checked, but for  elements
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:after and :before css pseudo elements hack for IE 7
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Can I have multiple :before pseudo-elements for the same element?
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How to insert an element after another element in JavaScript without using a library?