Can JavaScript Dynamically Alter CSS Rule-Sets?

Dynamic CSS Rule-Set Modification with JavaScript

Question:

Is it feasible to modify CSS rule-sets dynamically through JavaScript in response to user interactions?

Answer:

Yes, it is possible, but the process is somewhat intricate.

Method:

Refer to the comprehensive guide "Totally Pwn CSS with Javascript" (web archive link). This article provides detailed instructions on how to modify CSS rule-sets using JavaScript.

Implementation:

Customizing CSS rule-sets via JavaScript involves the following steps:

1. Identify the CSS rule-set to be modified.
2. Create a new Style object in JavaScript.
3. Set the properties of the Style object to reflect the desired CSS rules.
4. Use the Style object's "sheet" property to connect it to the CSS rule-set.
5. Apply the modified Style object to the targeted HTML elements.

Compatibility:

This technique has been confirmed to work in Firefox and Internet Explorer. However, it was initially believed to be incompatible with Chrome due to limitations in its DOM methods. However, it has been reported that it does function in Chrome as well.

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