After seeing the demo if you wish to add this widget in your blog then follow the below steps.
Step 1 : Creating a New Page
First of all we need to create a new page and to do this firstly go to Blog Title → Pages → New Page → Blank Page. Page editor will open, now click on HTML tab.
Step 2 : Adding the code
Once you are in the HTML tab of Page Editor add the below code in it.
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All Blogger Tricks
Copy and paste the above given code in the post editor.
Step 3 : Table of Content Settings
Now change the URL in the blogUrl field. You may change other settings. It is briefly described in the code what they are and how to change them. After making the changes save the page.
You are done now. Now you can link the page wherever you want. You and your visitors may now see this amazing table of content in your blogger blog.
