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Editorial Team
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Asked: 2026-05-22T02:17:48+00:00

Can anyone explain what is theses errors? Uncaught TypeError: Cannot set property ‘innerHTML’ of

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Can anyone explain what is theses errors?

Uncaught TypeError: Cannot set
property ‘innerHTML’ of null

Uncaught TypeError: Cannot read
property ‘style’ of null

Uncaught SyntaxError: Unexpected token
ILLEGAL

Uncaught TypeError: Object #
has no method ‘dispatchEvent’

This is my test Website

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1 Answer

  1. Editorial Team

    At some point in the page you have:

    function display_price(price, oid)
{
    ...

    element = document.getElementById(oid);
    if (valor != 'NaN' && valor != null && valor != '')
    {
       element.innerHTML = valor + money_simbol;

    The last line is causing the error because element is null. You should add a condition to the if(): that is, change this line:

    if (valor != 'NaN' && valor != null && valor != '')

    to this:

    if (element && valor != 'NaN' && valor != null && valor != '')

    In other words, it’s a good practice to always check the return value of a function before accessing its properties.

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