HTML5 form element examples explained

HTML5 New form elements

HTML5 has the following new form elements:

< output>

Note: Not all browsers support the new HTML5 form elements, but you can use them, and even if the browser does not support the formattribute, it can still be displayed as a regular Form elements.

HTML5

Use the list attribute of the element to bind to the

Example

element uses

<input list="browsers">
<datalist id="browsers">
  <option value="Internet Explorer">
  <option value="Firefox">
  <option value="Chrome">
  <option value="Opera">
  <option value="Safari">
</datalist>

HTML5 element

The role of the element is to provide a reliable way to authenticate users. The

tag specifies the key pair generator field used for the form.

When the form is submitted, two keys will be generated, one is the private key and the other is the public key.

The private key is stored on the client, and the public key is sent to the server. The public key can be used to later verify the user's client certificate (client certificate).

Example

Form with keygen field:

<form action="demo_keygen.asp" method="get">
用户名: <input type="text" name="usr_name">
加密: <keygen name="security">
<input type="submit">
</form>

HTML5

element

element is used for different types of output , such as calculation or script output:

Example

Display the calculation results in the

element:

<form oninput="x.value=parseInt(a.value)+parseInt(b.value)">0
<input type="range" id="a" value="50">100 +
<input type="number" id="b" value="50">=
<output name="x" for="a b"></output>
</form>

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