How to set read-only status in html

In HTML, you can set the read-only status by adding the readonly attribute to the tag. The readonly attribute is a Boolean attribute that specifies that the input field or text area is in a read-only state; in the read-only state, the content cannot be modified, but the user can switch to the control through the tab key and select or copy the content.

The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.

htmlSet read-only status

     
   
 测试文本-只读状态，无法编辑  

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Description:

The readonly property is a Boolean property.

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

In a read-only input field or text area, the content cannot be modified, but the user can switch to the control through the tab key and select or copy the content.

You can set the readonly attribute to resume the user's use of the text area until certain conditions are met (such as selecting a check box). You can then use JavaScript to remove the value of the readonly attribute to make the text area editable.

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