Where is the opening tag and is the closing tag. In HTML a heading title will have the following structure: Your Sub Heading Text To search for heading tags, we will need to first create a RegExp or search pattern. Using JavaScript Regular ExpressionsĪ regular expression, as you may know is a sequence of characters that forms a search pattern. I coined a search pattern as explained below. I started by using the getElementById() method to search for all heading tags located inside the DOM having ID "post-toc". The backbone of this entire script is based on using a string search() method with RegExp. ![]() I have shared the compressed script in the installation section for performance purpose but to give you a more clear idea of how the script gets the list of heading tags and how it converts them into anchor links, please read the detailed explanation below. Click here to go straight to the installation guide. Optional: You may skip this section if you are not interested in understanding the programming logic used to build this plugin.
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