Why Isn't My JavaScript Function Called When a Link Is Clicked?

JavaScript Function Not Invoked When Link Clicked

In this scenario, you have a web page with a sidebar navigation containing links that aim to modify the source of an iFrame by clicking them. However, despite using JavaScript to accomplish this, the desired functionality isn't triggered.

Cause:

After reviewing the code you provided, it is apparent that you neglected to call the getContent function by omitting the parentheses after its name:

<a href="#" onclick="getContent()"> LoremIpsum</a>

Corrections:

To resolve the issue, it's crucial to include the parentheses after the function call:

<a href="#" onclick="getContent()"> LoremIpsum</a>

Additional Guidelines:

While resolving this particular issue, it's worth considering some general best practices for web development:

• Avoid Inline Event Attributes: Utilizing HTML event attributes (e.g., onclick) is discouraged for several reasons, including difficulty in debugging, duplication, poor scalability, and deviations from the separation of concerns approach.
• Use 'addEventListener()': Instead of inline event handlers, it's recommended to define event handlers within JavaScript and use the 'addEventListener()' method.
• Employ Buttons Instead of Hyperlinks: If triggering JavaScript functionality is the goal, it's preferable to use buttons over hyperlinks. However, if hyperlinks are necessary, ensure to set the 'href' attribute to '#' to prevent native navigation.

Example Code:

Here's an updated version of your code that incorporates the necessary changes:

<button></button>

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