HTML5: How to specify the legal number intervals for an input field?

Last update on August 19 2022 21:50:51 (UTC/GMT +8 hours)

Solution:

HTML Code:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>How to specify the legal number intervals for an input field</title>
</head>
<body>
<form method="post" 
action="https://www.w3resource.com/html-
css-exercise/basic/solution/input-step-
answer-demo.php">
 Input a number: <input type="number" 
name="points" step="2">
  <input type="submit">
</form></body>
</html>

Live Demo:

See the Pen input-step-answer by w3resource (@w3resource) on CodePen.

See the solution in the browser

Supported browser


Yes	Yes	Yes	Yes	Yes

Go to Exercise page

What is the difficulty level of this exercise?

Test your Programming skills with w3resource's quiz.

HTML-CSS: Tips of the Day

Why is vertical-align: middle not working on my span or div?

This seems to be the best way - some time has passed since my original post and this is what should be done now:

HTML Code:

<div class="main">
  <div class="inner"> This </div>
</div>

CSS Code:

.main {
  display: table;
  
  /* optional css start */
  height: 90px;
  width: 90px;
  /* optional css end */
}
        
.inner {
  border: 1px solid #000000;
  display: table-cell;
  vertical-align: middle;
}

Live Demo:

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