How to implement an input drop-down menu in html

This time I will show you how to implement the inputable drop-down menu of html, what are thenotesof implementing the inputable drop-down menu of html, the following is a practical case, let's come together take a look.

   
   
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 '; $aa=$_GET['hh']."111"; // select 下拉菜单的值 $bb=$_GET['box']."222"; // 输入框的值 echo $aa; echo "
"; echo $bb; // 要获得可输入下拉菜单的值，只要获得输入框的值即可。 ?>  

To get the value that can be entered into the drop-down menu, just get the value of the input box.
Note:

This line must be in one line and cannot be written as

After the line break, the value of the drop-down menu cannot be displayed in the input box.

You can also automatically select matching menu values based on the input content.

I believe you have mastered the methods after reading these cases. For more exciting information, please pay attention to other related articles on the php Chinese website!

Related reading:

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