Category: JavaScript Answers

Sometimes, we want to fix ‘Failed to execute removeChild on Node’ error with JavaScript.

In this article, we’ll look at how to fix ‘Failed to execute removeChild on Node’ error with JavaScript.

How to fix ‘Failed to execute removeChild on Node’ error with JavaScript?

To fix ‘Failed to execute removeChild on Node’ error with JavaScript, we call removeChild on the element that has the element we want to remove.

For instance, we write

myCoolDiv.parentNode.removeChild(myCoolDiv);

to get the parent of the myCoolDiv element with myCoolDiv.parentNode.

Then we call removeChild with myCoolDiv to remove myCoolDiv from the DOM tree.

Conclusion

To fix ‘Failed to execute removeChild on Node’ error with JavaScript, we call removeChild on the element that has the element we want to remove.

Sometimes, we want to get an option text and value with JavaScript.

In this article, we’ll look at how to get an option text and value with JavaScript.

How to get an option text and value with JavaScript?

To get an option text and value with JavaScript, we use the options property.

For instance, we write

const optionSelection = element.options[element.selectedIndex].text;

to get an iterable object with the select element‘s options with element.options.

Then we get the index of the selected element with element.selectedIndex.

Finally, we get the selected option element’s text with text.

Conclusion

To get an option text and value with JavaScript, we use the options property.

Sometimes, we want to get the scroll position of div with "overflow: auto" with JavaScript.

In this article, we’ll look at how to get the scroll position of div with "overflow: auto" with JavaScript.

How to get the scroll position of div with "overflow: auto" with JavaScript?

To get the scroll position of div with "overflow: auto" with JavaScript, we use the scrollTop property.

For instance, we write

const scrollTop = document.getElementById("box").scrollTop;

to select the scrollable div with getElementById.

Then we get its scroll position with scrollTop.

Conclusion

To get the scroll position of div with "overflow: auto" with JavaScript, we use the scrollTop property.

Sometimes, we want to make a link open multiple pages when clicked with JavaScript.

In this article, we’ll look at how to make a link open multiple pages when clicked with JavaScript.

How to make a link open multiple pages when clicked with JavaScript?

To make a link open multiple pages when clicked with JavaScript, we call window.open.

For instance, we write

<a href="#" class="yourlink">Click Here</a>

to add a link.

Then we write

const a = document.querySelector(".yourlink");

a.onclick = (e) => {
  e.preventDefault();
  window.open("http://yoururl1.com");
  window.open("http://yoururl2.com");
};

to select the link with querySelector.

Then we set its onclick property to a function that calls window.open to open the URL that’s called with.

We call preventDefault to stop the default link behavior of opening the href attribute URL value.

Conclusion

To make a link open multiple pages when clicked with JavaScript, we call window.open.

Sometimes, we want to call onclick on a radio button list using JavaScript.

In this article, we’ll look at how to call onclick on a radio button list using JavaScript.

How to call onclick on a radio button list using JavaScript?

To call onclick on a radio button list using JavaScript, we call the click method.

For instance, we write

document.getElementById("radioButton").click();

to select the radio button with getElementById.

And then we call click on it to click it.

Conclusion

To call onclick on a radio button list using JavaScript, we call the click method.