.DOC: Advanced Backgrounds https://wpbackgrounds.com/documentation/getting-started/

.DOC: Advanced Backgrounds

Documentation Advanced Backgrounds

stretch-background-gutenberg.js

(function ($) {
    var $body = $('body');

    // fullwidth gutenberg feature.
    function stretchAWB() {
        var wndW = $body.width();

        $('.nk-awb.alignfull > .nk-awb-wrap').each(function () {
            var $this = $(this);

            var rect = this.getBoundingClientRect();
            var left = rect.left;
            var right = wndW - rect.right;

            var ml = parseFloat($this.css('margin-left') || 0);
            var mr = parseFloat($this.css('margin-right') || 0);

            $this.css({
                'margin-left': ml - left,
                'margin-right': mr - right,
            });
        });
    }
    stretchAWB();
    $(window).on('resize orientationchange load', stretchAWB);
}(jQuery));