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<!DOCTYPE html> <html> <head> <style> #myDIV { width: 500px; background-color: lightblue; overflow: auto; } </style> </head> <body> <p>Click the "Try it" button to make sure that the DIV element's height never becomes less than 400 pixels:</p> <button onclick="myFunction()">Try it</button> <div id="myDIV"> <p>This DIV element does not have a pre-defined height.</p> <p>The height of this DIV element depends on its content.</p> <p>But if you click the "Try it" button, yo will make sure that this DIV element does not become less than 400 pixels in height.</p> </div> <script> function myFunction() { document.getElementById("myDIV").style.minHeight = "400px"; } </script> </body> </html>
