JSFiddle - React, Tailwind, and code Playground

HTML

<form id="foo">
</form>

<form id="login">
    <a> forgot your password</a>
</form>

JavaScript

var theFormId = $('form').filter(function() {
    return this.innerHTML.indexOf('forgot your password') != -1;
}).attr('id');
alert(theFormId);

var withContains= $('form:contains("forgot your password")').attr('id');
alert(withContains);