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

JSFiddle - React, Tailwind, and code Playground

HTML

<h1>Versão com javascript:</h1>

<input type="text" value="Valor vindo do BD" class="inp">

<h1>Versão com html:</h1>

<input type="text" value="Valor vindo do BD" readonly>

JavaScript

function travarInput(el) {
    var v = el.val();
    el.on('keyup', function () {
        el.val(v);
    });
}

travarInput($('.inp'))

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JSFiddle - React, Tailwind, and code Playground

HTML

JavaScript

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Use pre-released features

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Console