How to set the read-only label of html5

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In html5, you can use the readonly property to set a read-only tag, which is used to set the specified label field to read-only, which can be selected and copied but cannot be modified, and the syntax is "readonly=" readonly ".

The operating environment of this tutorial: windows10 system, HTML5 version, Dell G3 computer.

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

Read-only fields cannot be modified. However, users can still use the tab key to switch 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 selecting a check box). Then, you need to use JavaScript to eliminate the readonly value and switch the input field to editable state.

The readonly property can be used with or with.

Examples are as follows:

Document

Country:

Output result:

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