HTML5 - Basic Exercises, Practice, Solution

[An editor is available at the bottom of the page to write and execute the scripts.]

64. How to define a group of related options in a drop-down list?

HTML Code:

<!DOCTYPE html>
<meta charset="utf-8">
<title>Group of related Option</title>

Try it in the following editor or see the solution.

a. How to specify that an option-group should be disabled?

b. How to specify a label for an option-group?

See the Pen html css common editor by w3resource (@w3resource) on CodePen.

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HTML-CSS: Tips of the Day

Two inline-block, width 50% elements wrap to second line:

It is because display:inline-block takes into account white-space in the html. If you remove the white-space between the div's it works as expected.

<div id="col1">content</div><div id="col2">content</div> 

Ref: https://bit.ly/2zyZHEt