How to Create Internal Links within post in Blogger website

To reduce the difficulty when user reading very lengthy post, it is better to create internal links within the post  to jump to matter which is interested for him. This method is very user friendly and suggested by me for make a valuable post for your site.
Step-1:
Just Click on this Demo Link Create Internal Links

This in demo sentence.
This in demo sentence.
This in demo sentence.
This in demo sentence.
This in demo sentence.
This in demo sentence.
This in demo sentence.
This in demo sentence.
This in demo sentence.
This in demo sentence.

How to Create Internal Links

Step-2:

• Click on Html Mood
• Now do Change as like below Image
• Next click on save or publish 

before.......
Create Internal Links
<h2>How to Create Internal Links</h2>

after..........
<a href="#1">Create Internal Links</a><br />
<h2 id="1">How to Create Internal Links</h2>

Step-3:

• If you change or edit your post next time.
• Please look at your link. Sometime it will change automatically, so edit your link again as like below