Skip to content
the poor coder

Home / Topics / #javascript

#javascript

2,247 posts · page 87 of 113
2023

realtime database get by field

Realtime Database Get by Field Getting data from a specific field in Firebase Realtime Database is easy and can be done in a few ways. Method 1: Using orderByChild() and equalTo() This method involves using the…

javascript1 min read
2023

if string is null javascript

If String is Null in JavaScript As a web developer, I have come across situations where I need to check if a string is null or not. In JavaScript, there are multiple ways to perform this check. Using Equality Operator…

javascript1 min read
2023

array meses javascript

Array Meses Javascript I recently had to work with an array in Javascript that contained the names of the months. The array was used to populate a dropdown menu on a webpage. I found it to be a useful way to store and…

javascript2 min read
2023

dynamic loaded content can't find library jqury

Dynamic Loaded Content Can't Find Library Jquery If you're encountering an issue where your dynamically loaded content can't find the jQuery library, there are a few things you can check: Make Sure jQuery is Loaded…

javascript1 min read
2023

react iterate over map

React Iterating over Map If you want to render content dynamically based on the data in your React component, then iterating over a map is a great way to achieve this. Mapping is used to iterate over an array and create…

javascript3 min read
2023

jquery validation form submit

jQuery Validation Form Submit When submitting a form, it is important to ensure that the user inputs valid data. This is where jQuery validation comes in handy. It allows us to validate user input before the form is…

javascript2 min read
2023

how to stop type text texbox in javascript

How to stop type text textbox in Javascript Have you ever had a textbox where you wanted to prevent the user from typing any text? Perhaps you were building a calculator and you didn't want users to enter anything in…

javascript2 min read
2023

javascript remove last charcter from string

How to Remove the Last Character from a String using JavaScript? If you are dealing with dynamic strings in JavaScript and want to remove the last character from a string, then you can use various methods offered by…

javascript2 min read
2023

how to check if browser is firefox in javascript

How to Check if Browser is Firefox in JavaScript? As a blogger and tech enthusiast, I have come across the need to check if the current browser is Firefox while working with JavaScript. There are several ways to achieve…

javascript1 min read
2023

show image in popup from owl carousel pop up

Show Image in Popup from Owl Carousel Pop Up When it comes to displaying images in a carousel format, Owl Carousel is an easy-to-use and popular choice. One question that often comes up is how to make a popup appear…

javascript3 min read
2023

convert an array to other array

Convert an array to other array Converting an array to another array means creating a new array from an existing array with modifications or changes. There are different ways to achieve this, depending on the…

javascript2 min read
2023

useeffect callback

Understanding the useEffect Callback in React As a React developer, I have come across the useEffect hook many times. It is a powerful tool that allows you to perform side effects in functional components. However…

javascript3 min read
2023

find object in json array

Find Object in JSON Array JSON (JavaScript Object Notation) is a lightweight data interchange format that is easy for humans to read and write and easy for machines to parse and generate. It is widely used for data…

javascript3 min read
2023

using crypto to hash a password in node ide

Using Crypto to Hash a Password in Node IDE If you're working with user authentication in your Node.js application, it's important to ensure the security of your users' passwords. One way to accomplish this is by…

javascript2 min read
2023

get value of element html js

How to Get the Value of an HTML Element using JavaScript If you want to get the value of an HTML element using JavaScript, you can use the getElementById() method. This method looks for an HTML element with a specified…

javascript1 min read
2023

declaration vue 3 variables

How to Declare Variables in Vue 3 When working with Vue 3, there are several ways to declare variables. These variables are used to store data that can be accessed and manipulated throughout your application. 1. Using…

javascript2 min read
2023

change password firebase

Change Password Firebase Changing password on Firebase is important for security purpose. Here are the steps to change password on Firebase: Step 1: Sign in to Firebase To change the password, you need to sign in to…

javascript1 min read
ESC