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<!DOCTYPE html> <html> <head> <style> #myDIV { width: 50%; background-color: lightblue; } </style> </head> <body> <p>Click the "Try it" button to make sure that the DIV element's width never is below 400 pixels:</p> <button onclick="myFunction()">Try it</button> <div id="myDIV"> <p>This DIV element has a defined width of 50%.</p> <p>The width of this DIV element is 50% of its parent element.</p> <p>Try resizing the browser window to see that width of this DIV element will grow/shrink along width the resizing.</p> <p>But if you click the "Try it" button, yo will make sure that this DIV element does not get below 400 pixels in width.</p> </div> <script> function myFunction() { document.getElementById("myDIV").style.minWidth = "400px"; } </script> </body> </html>
