Enable/disable input field

by alano

HTML

<input type="number" name="dataIntervencao" value="1" min="0" max="9" />
<br />
<button onclick="setDisabled(false)">Enable</button>
<button onclick="setDisabled(true)">Disable</button>

JavaScript

var $fields; //cache for ease of access and performance
$(document).ready(function() {
    $fields = $("input[name$=dataIntervencao]").prop("disabled", true);
});

function setDisabled(state){
    $fields.prop("disabled", state);
}