Change 2FA Log In Button Text On Click

Good Day!

We are trying to change Wordfence’s 2FA overlay form “Log In” button text on click to “Processing…”

Details: https://ibb.co/t3ZpMnJ

We have tried both the PHP and JS code snippets provided below, but none work.

We have also submitted a ticket to Wordfence Support for assistance, but it’s under review and a solution may not be available within 2-3 months.

So, hoping an experienced coder out there can help us. We prefer a PHP Code Snippet ??

Thank you!

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Button HTML Code:

https://ibb.co/Htkgptj

PHP Code Snippet (Option 1):

add_action( 'login_enqueue_scripts', 'login_enqueue_wordfence_js' );
function login_enqueue_wordfence_js() {
	wp_register_script( 'button-handle-wf', '', array("jquery"), '', true );
	wp_enqueue_script( 'button-handle-wf' );
	wp_add_inline_script( 'button-handle-wf', '(function($){$("#loginform input#wfls-token-submit").on("click", function() {$(this).val("Processing...");});})(jQuery);');
}

JS Code Snippet (Option 2):

<input onclick="changeText()" type="submit" value="Log In" id="wfls-token-submit">
function changeText(){
 let element = document.getElementById("wfls-token-submit");
 if (element.value=="Log In") 
 	element.value = "Processing...";
 else 
 	element.value = "Log In";
}