How can I add JavaScript inside Blogger?
Navigate to the Layout tab, click the "Add a Page Element" option and select the "HTML/Javascript" sub-option.
See the Layout Guide for more details.
You can run this code as an external source on your blog. How? Follow the below steps:
Step 1: Store your JavaScript code in github.com, pastebin.com or any file CDN.
Step 2: Use the below piece of code to call your JavaScript code from that external source:
<script src="http://example.com/script.js"/></script>
Include this code inside <head>
.
Add your code like this:
<script type='text/javascript'> //<![CDATA[ window.open("http://www.page.html", "myWindow", "status = 1, height = 400, width = 400, resizable = 0"); //]]> </script>
Create a post. Click to enter html as opposed to compose. Type your script. To the right Click Post Settings >> Options >> Compose Mode then change Show HTML Literally to Interpret HTML. It should now accept your script as a script intsead of text..