JSFiddle - React, Tailwind, and code Playground

HTML

<input type="password" class="field" id="password" name="password" title="Enter your password" maxlength="50" onpaste="javascript:return false;" size="38" tabindex="2">

<input type="button" id="allow" value="Allow paste">

JavaScript

$("#allow").on('click', function(){
    document.getElementById('password').removeAttribute('onpaste');
});