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To call a JavaScript function from an href attribute, you can use the javascript: protocol. This allows you to execute JavaScript code directly when the link is clicked.
Example
<a href="javascript:myFunction()">Click me</a><script>function myFunction() {alert("Hello, World!");}</script>Copied!✕CopyIn this example, clicking the link will trigger the myFunction which displays an alert box.
Considerations
Using onclick Attribute: It's often better to use the onclick attribute instead of href for better separation of content and behavior^2^. <a href="#" onclick="myFunction(); return false;">Click me</a>
Preventing Default Behavior: Ensure to return false in the function or use event.preventDefault() to prevent the default link behavior^2^. <a href="#" onclick="myFunction(); return false;">Click me</a>
Accessibility: Using onclick ensures that users without JavaScript enabled can still see a functional link^2^.
html - How to call javascript from a href? - Stack Overflow
May 2, 2013 · 3 JavaScript code is usually called from the onclick event of a link. For example, you could instead do: In Head Section of HTML Document
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