Introduction to Javascript

• Learn that websites can be more than just documents, and that Javascript is the language that makes interaction possible.
• Learn that random text in Javascript is by default interpreted as code, but that Javascript also expects values in certain places.
• Begin to understand that values are data, and that there are different types of values in Javascript.

Live Demo

Instructor will include the following code to a simple HTML page:

<script>
  alert(“ouch”)
</script>

And then refresh the page in the browser.

Key Takeaways

• Websites can be more than just documents, and that Javascript is the language that makes interaction possible.
• Text in Javascript is by default interpreted as code.
• Javascript can have content or data in certain places.
• Javascript data needs to be in the right place and also be surrounded by the correct characters.
• Data that is a string of letters must be surrounded by double-quotes (“).