openAnotherTab.js

$urlValue = 'http://google.com/?url=';
$fieldName = 'url';

$form.find('input[name="'+$fieldName+'"]').on('change, keyup', function($fieldValue){
    $fieldValue = jQuery(this).val();
    $url = $urlValue+$fieldValue;
    $form.on('fluentform_submission_success', function(){
        window.open($url, 'name'); 
    });
});