Create Automatically table of contents in blogger

Create Automatically table of contents in blogger

I had started a blog on blogger and I m using Litespot template.

Now I want to add code some code in theme which can create Automatically table of contents in my posts. But I need your help

so add that code in theme and tell me after that how I will create Automatically table of contents in my blogger post.

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Requirements

He must know about how to customise theme, comfortable with Html, css, Java script

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Skills Required

Blogger development css html Java script