## MaskedInput `MaskedInput` components are textarea inputs where the input is hidden. They are used to enter sensitive information like passwords. | Param | Type | Default | Description | | --- | --- | --- | --- | | [value] | String | | The value to display in the input. | | [placeholder] | String | value | The placeholder to display before the user has entered any input. | | [allowCopy] | bool | | Whether or not the input should render with a copy button. | | [displayOnly] | bool | false | Whether or not to display the value as a display only `pre` element or as an input. | | [onChange] | function \| action | Function.prototype | A function to call when the value of the input changes. | **Example** ```js ``` **See** - [Uses of MaskedInput](https://github.com/hashicorp/vault/search?l=Handlebars&q=MaskedInput) - [MaskedInput Source Code](https://github.com/hashicorp/vault/blob/master/ui/app/components/masked-input.js) ---