Blogger users(XML LAYOUTS) can easily add HTML or JavaScript code to their blogger blogs. Here are the instructions to add HTML/Scripts to your blog :
Firstly, login to your blogger account, go to your dashboard, where you have to click the "
Layout" link(beside the settings link) of your blog. make sure you are on the "
page elements" sub-tab, where you can easily add and arrange page elements.
You will now add a gadget by clicking the "
Add a Gadget" link
From the popup that appears, you can add many gadgets to your blog, this time we need to scroll down to the HTML/JavaScript option and click the "+" sign beside it to add it to your blog
This will open a final popup where you paste your code(HTML or JavaScript) under the "content" textarea. Give it a title on the title textbox and click the button to "save changes"