Revoke profile permissions in Salesforce Classic

revokeProfilePermissionsSfdcClassic.js

var inputs = document.getElementsByTagName('input');

for (var i = 0; i < inputs.length; i++) {
    var input = inputs[i];

    // Clear user permissions
    if (input.id.startsWith('userPerm___')) {
        if (input.checked) {
            input.click();
        }
    }

    // Clear CRUD permissions
    if (input.id.startsWith('crud')) {
        if (input.checked) {
            input.click();
        }
    }
}

var selects = document.getElementsByTagName('select');

for (var i = 0; i < selects.length; i++) {
    var select = selects[i];

    // Hide all tabs
    if (select.id.startsWith('tab___')) {
        select.value = "0";  // Tab Hidden
    }
}