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This article is about which syntax is read-only or disabled in html5. Xiaobian thinks it is quite practical, so share it with everyone for reference. Let's follow Xiaobian and have a look.

In html5, the syntax for read-only and disabled is "and"; the readonly attribute specifies that the input field is read-only, and the disabled attribute specifies that the element should be disabled.

Operating environment of this tutorial: Windows 10 system, HTML5 version, Dell G3 computer.

What is the read-only and disabled syntax in HTML5?

The readonly attribute specifies that the input field is read-only.

Read-only fields cannot be modified. However, users can still tab to the field and select or copy its text.

The readonly attribute prevents the user from modifying the value until certain conditions are met (such as a check box being selected). Then you need to use JavaScript to eliminate readonly values and switch input fields to editable state.

The readonly attribute can be used with or.

syntax

The disabled attribute specifies that the input element should be disabled.

Disabled input elements are neither available nor clickable. You can set the disabled property until some other condition is met (such as selecting a checkbox, etc.). Then, you need JavaScript to remove the disabled value and switch the input element value to available.

Note: The disabled attribute cannot be used with.

syntax

Examples are as follows:

Normal input:

Disable input:

Read only input:

Click on the Submit button and the input is sent to a page on the server called "form_action.asp."

Output:

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