Javascript can be placed in three ways. Between <head> and </head> Between <body> and </body> External JS File How To Define Javascript In HTML, JavaScript code must be inserted between <script> and </script> tags. <script> document.getElementById("demo").innerHTML = "My First JavaScript"; </script> Old JavaScript examples may use a type attribute: <script type=”text/javascript”>. The type attribute is not required. JavaScript is the default scripting language in HTML. JavaScript Functions and Events A JavaScript function is a block of JavaScript code, that can be executed when “called” for. For example, a function can be called when an event occurs, like when the user clicks a button. You will learn…