Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" name="field" maxlength="8"
    title="Only Letters"
    value="Type Letters Only"
    onkeydown="return /[a-z]/i.test(event.key)"
    onblur="if (this.value == '') {this.value = 'Type Letters Only';}"
    onfocus="if (this.value == 'Type Letters Only') {this.value = '';}"/>

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