How to set the bootstrap input box to be read-only

How to set read-only for the bootstrap input box: first open the corresponding code file; then set the readonly attribute for the input box, with statements such as "placeholder="Readonly input here..." readonly".

The operating environment of this tutorial: windows7 system, bootsrap3.3.7 version, Dell G3 computer

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Read-only input box

Set the readonly attribute for the input box to prohibit user input, and the input box The style is also disabled.

<input class="form-control" type="text" placeholder="Readonly input here…" readonly>

Rendering:

readonly attribute

readonly attribute is a Boolean attribute.

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 users from modifying the value until certain conditions are met (such as a checkbox being selected). Then, you need to use JavaScript to eliminate the readonly value and switch the input field to an editable state.

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