Categories
JavaScript Answers

How to remove query string from URL with JavaScript?

Sometimes, we want to remove query string from URL with JavaScript.

In this article, we’ll look at how to remove query string from URL with JavaScript.

How to remove query string from URL with JavaScript?

To remove query string from URL with JavaScript, we can use the URL constructor.

For instance, we write

const getPathname = (path) => {
  return new URL(`http://_${path}`).pathname;
};

const pathname = getPathname("/foo/bar?baz=5");

to create a URL object with the http://_${path} to get the URL object.

Then we get the part of the URL before the query string with the pathname property.

Conclusion

To remove query string from URL with JavaScript, we can use the URL constructor.

Categories
JavaScript Answers

How to convert integer into its character equivalent with JavaScript?

Sometimes, we want to convert integer into its character equivalent with JavaScript.

In this article, we’ll look at how to convert integer into its character equivalent with JavaScript.

How to convert integer into its character equivalent with JavaScript?

To convert integer into its character equivalent with JavaScript, we can create a alphabetic string and use the number as the index of the character to get from the string.

For instance, we write

const char = "abcdefghijklmnopqrstuvwxyz"[code];

to get the letter from the "abcdefghijklmnopqrstuvwxyz" with code as the index.

Then we assign the letter string to char.

Conclusion

To convert integer into its character equivalent with JavaScript, we can create a alphabetic string and use the number as the index of the character to get from the string.

Categories
JavaScript Answers

How to listen for cross-browser onload event when clicking the back button with JavaScript?

Sometimes, we want to listen for cross-browser onload event when clicking the back button with JavaScript.

In this article, we’ll look at how to listen for cross-browser onload event when clicking the back button with JavaScript.

How to listen for cross-browser onload event when clicking the back button with JavaScript?

To listen for cross-browser onload event when clicking the back button with JavaScript, we can listen to the load event.

For instance, we write

window.addEventListener("load", () => {
  //...
});

to call window.addEventListener with 'load' to listen to the load event on the page.

The load event is triggered when the page loads.

Conclusion

To listen for cross-browser onload event when clicking the back button with JavaScript, we can listen to the load event.

Categories
JavaScript Answers

How to remove an element from a list with lodash and JavaScript?

Sometimes, we want to remove an element from a list with lodash and JavaScript.

In this article, we’ll look at how to remove an element from a list with lodash and JavaScript.

How to remove an element from a list with lodash and JavaScript?

To remove an element from a list with lodash and JavaScript, we can use the remove function.

For instance, we write

_.remove(obj.subTopics, {
  subTopicId: stToDelete,
});

to call remove with the obj.subTopics object property and an object with the property and value to remove.

We remove the item from the obj.subTopics array with subTopicId set to the value of stToDelete within in the obj object.

The removal is done in place so obj is modified with the removal.

Conclusion

To remove an element from a list with lodash and JavaScript, we can use the remove function.

Categories
JavaScript Answers

How to view or delete local storage in Firefox with JavaScript?

Sometimes, we want to view or delete local storage in Firefox with JavaScript.

In this article, we’ll look at how to view or delete local storage in Firefox with JavaScript.

How to view or delete local storage in Firefox with JavaScript?

To view or delete local storage in Firefox with JavaScript. we can use the removeItem method to remove a single entry by the key.

And we call clear to remove all local storage entries.

For instance, we write

localStorage.removeItem("foo");
localStorage.clear();

to call removeItem to remove the entry with key 'foo'.

And we call clear to remove all local storage entries.

Conclusion

To view or delete local storage in Firefox with JavaScript. we can use the removeItem method to remove a single entry by the key.

And we call clear to remove all local storage entries.