WP Favorite Posts Object has no method 'live'

WP Favorite Posts plugin causes an error as is and must be updated to work with the current version of Jquery.

In your plugin file wp-favorite-posts/wpfp.js you must update .live() function to a .on() function. Jquery

.live() is a deprecated function (from JQuery 1.7+) and removed completely from jQuery 1.9+. You can instead use .on() or .bind() methods:
http://api.jquery.com/on/
http://api.jquery.com/bind/

The updated code should be as follows:

jQuery(document).ready( function($) {
    $('.wpfp-link').on('click', function() {
        dhis = $(this);
        wpfp_do_js( dhis, 1 );
        // for favorite post listing page
        if (dhis.hasClass('remove-parent')) {
            dhis.parent("li").fadeOut();
        }
        return false;
    });
});
function wpfp_do_js( dhis, doAjax ) {
    loadingImg = dhis.prev();
    loadingImg.show();
    beforeImg = dhis.prev().prev();
    beforeImg.hide();
    url = document.location.href.split('#')[0];
    params = dhis.attr('href').replace('?', '') + '&ajax=1';
    if ( doAjax ) {
        jQuery.get(url, params, function(data) {
                dhis.parent().html(data);
                if(typeof wpfp_after_ajax == 'function') {
                    wpfp_after_ajax( dhis ); // use this like a wp action.
                }
                loadingImg.hide();
            }
        );
    }
}

jQuery(document).ready( function($) {

$('.wpfp-link').on('click', function() {

dhis = $(this);

wpfp_do_js( dhis, 1 );

// for favorite post listing page

if (dhis.hasClass('remove-parent')) {

dhis.parent("li").fadeOut();

}

return false;

});

function wpfp_do_js( dhis, doAjax ) {

loadingImg = dhis.prev();

loadingImg.show();

beforeImg = dhis.prev().prev();

beforeImg.hide();

url = document.location.href.split('#')[0];

params = dhis.attr('href').replace('?', '') + '&ajax=1';

if ( doAjax ) {

jQuery.get(url, params, function(data) {

dhis.parent().html(data);

if(typeof wpfp_after_ajax == 'function') {

wpfp_after_ajax( dhis ); // use this like a wp action.

}

loadingImg.hide();

}

);

}

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