Unresponssive Loading

Hi,

This is not expected, so we need to check your flipbook. Please share the link to your flipbook or your pdf. Also test your pdf at https://wordpress.dearflip.com/pdf-viewer/ and let us know if that freezes too.

Best Regards,

DearHive

• This reply was modified 1 year, 3 months ago by DearHive.

HI,

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Hi,

When the page loads, if I click(open) on a flipbook, it hangs.

But if I wait for a minute then click it works.

We see that there is some custom code that expects some elements to exists else it goes in a loop.

Have you consulted your developer?

Here is the code part that throws the error.

document.addEventListener("DOMContentLoaded", function() {
    const config = { attributes: true, childList: true, subtree: true, characterData: true };
    const callback = function(mutations, observer) {
        for (let mutation of mutations) {
            if (mutation.type === 'childList' && mutation.addedNodes.length > 0) {
                mutation.addedNodes.forEach(node => {
                    if (node.nodeType === Node.TEXT_NODE && node.parentNode.matches('.df-loading-info')) {
                        node.textContent = node.textContent.replace('DearFlip', 'Modern University');
                    }
                });
            }
            else if (mutation.type === 'characterData') {
                mutation.target.textContent = mutation.target.textContent.replace('DearFlip', 'Modern University');
            }
        }
    };

    const observer = new MutationObserver(callback);
    const targetNode = document.body; // asumsi elemen mungkin di mana saja dalam body

    if (targetNode) {
        observer.observe(targetNode, config);
    }

    // Opsional: Menghentikan observer setelah beberapa waktu
    setTimeout(() => observer.disconnect(), 30000); // Hentikan observer setelah 30 detik
});

I have marked the problematic statement as bold and here is the error message:

data:text/javascript…kZXRpaw0KfSk7DQo=:8 Uncaught TypeError: Cannot read properties of null (reading 'matches')
at data:text...w0KfSk7DQo=:8:77

Best Regards,
DearHive

• This reply was modified 1 year, 3 months ago by DearHive.