HTML5 form element examples explained

HTML5 New form elements

HTML5 has the following new form elements:

fc86e7b705049fc9d4fccc89a2e80ee3

aa983b9eb8086376f1f6481364a02e5a

7a6868af36f3debf3fe738bdd9047ed7

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 fc86e7b705049fc9d4fccc89a2e80ee3 element

fc86e7b705049fc9d4fccc89a2e80ee3 element specifies a list of options for an input field.

fc86e7b705049fc9d4fccc89a2e80ee3 attribute specifies that the form or input field should have the auto-complete function. When the user begins typing in an autocomplete field, the browser should display the filled-in options in that field:

Use the list attribute of the d5fd7aea971a85678ba271703566ebfd element to bind to the fc86e7b705049fc9d4fccc89a2e80ee3 element.

Example

d5fd7aea971a85678ba271703566ebfd element uses fc86e7b705049fc9d4fccc89a2e80ee3 predefined value:

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

HTML5 aa983b9eb8086376f1f6481364a02e5a element

aa983b9eb8086376f1f6481364a02e5a The role of the element is to provide a reliable way to authenticate users. The

aa983b9eb8086376f1f6481364a02e5a 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 be6d67dae90cc1ad6469079e163d0939 element

be6d67dae90cc1ad6469079e163d0939 element is used for different types of output , such as calculation or script output:

Example

Display the calculation results in the be6d67dae90cc1ad6469079e163d0939 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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