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

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HTML

<div class="news">
    <iframe src="http://alelo.com.br/consulta-saldo-extrato-alelo.html" style="width:100%; height:100%; float:left;" frameborder="0" id="jones"></iframe>
</div>
<input type="text" id="piru">
<script>
    document.getElementById('jones').onload = function() {
        var valor = $('#jones').contents().find('#numero').val();
        alert(valor);
    }
</script>

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JSFiddle - React, Tailwind, and code Playground

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Join the 4+ million users, and keep the JSFiddle dream alive.

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Use pre-released features

Fiddle collections

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Console