A Show More and Show Less functionality can be useful in websites that are heavy in text, like news and magazine websites that contain a lot of articles on a single page. This can help the web page designer to give the user the freedom to read more or less text as needed.
Approach: The amount of content displayed can be changed by clicking on the buttons. Instead of showing a complete paragraph on a webpage, only some part of the text is shown initially and a button is added which shows more of the text. The amount of text that should be displayed after and before they click on a button can be decided by the developer.
Example: The above approach can be implemented by using a simple if-else condition that checks the current status of the text and shows or hides it on that basis. The below example illustrates this method:
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