2024-04-27 20:28
To add a relative URL to a different port number in a hyperlink with HTML, you can simply specify the port number along with the relative path in the href attribute of the tag.
To do this… Read More
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A blog all about web development with lots of tutorials.
Articles are simple and easy to read.
2024-04-27 20:27
Obfuscating an email address on a website with JavaScript involves converting the email address into a format that is not easily recognizable by email harvesting bots, while still allowing i… Read More
2024-04-27 20:26
You can submit a form with JavaScript by triggering the form’s submit event when a link is clicked.
To do this, we write:
HTML:
Submit
Submit Form
JavaScript:
// Get refe… Read More
2024-04-27 20:25
In Three.js, you can change the background of your scene to be transparent or any solid color by adjusting the renderer object. Here’s how you can do it:
1. Set the Background to Trans… Read More
2024-04-27 20:24
To count text lines inside a DOM element with JavaScript, you can follow these steps:
1. Get the DOM Element
First, select the DOM element you want to count the text lines within. You can us… Read More
2024-04-27 20:23
When using TypeScript enums in HTML, you may encounter issues because enums are TypeScript constructs and don’t directly translate into JavaScript or HTML.
However, you can still use e… Read More
2024-04-27 20:20
To change an element’s style attribute dynamically using JavaScript, you can directly access the style property of the element and modify its individual properties.
To do this, we writ… Read More
2024-04-27 20:20
To set the cursor position within a contentEditable element using JavaScript, you can utilize the Selection object.
For example, we write:
Set Cursor Position in contentEditable DIVThis… Read More
2024-04-27 20:19
You can position a element at specific coordinates using JavaScript by dynamically setting its style.left and style.top properties.
For example, we write:
Positioning a DIV with JavaScri… Read More
2024-04-27 16:36
You can disable a text input element in HTML using JavaScript by setting its disabled attribute to true.
To do this, we write:
HTML:
Disable Input
JavaScript:
function disableInput() {… Read More
2024-04-20 20:44
To close a WebSocket connection with JavaScript, you can use the close() method provided by the WebSocket object.
To do this, we write:
// Assuming 'ws' is your WebSocket object
ws.close();… Read More
2024-04-20 20:44
You can execute JavaScript when an element loses focus by attaching an event listener for the blur event to that element.
To do this, we write:
var inputField = document.getElementById('myI… Read More
2024-04-20 20:43
To submit an HTML form without redirection using JavaScript, you can prevent the default form submission behavior by capturing the form submission event and then handle the form submission u… Read More
2024-04-20 20:42
To fill the whole canvas with a specific color using JavaScript, you can use the fillRect() method of the canvas context.
To do this, we write:
Fill Canvas with Color
In this example, w… Read More
2024-04-20 20:41
To draw an image from a data URL to a canvas using JavaScript, you can follow these steps:
Get a reference to the canvas element in your HTML.
Create a new Image object in JavaScript.
Set th… Read More
2024-04-20 20:41
To change the :hover CSS properties with JavaScript, you can add or remove classes to the elements you want to modify. Here’s how you can achieve it:
Define the CSS rules for the hover… Read More
2024-04-20 20:40
To prevent the “The play() request was interrupted by a call to pause()” error with the audio element in JavaScript, you can add an event listener for the play event and check if… Read More
2024-04-20 20:39
In HTML and CSS, IDs starting with a number are technically not valid. According to the HTML specification, ID tokens must begin with a letter ([A-Za-z]) and may be followed by any number of… Read More
2024-04-20 20:39
To clear a chart created with Chart.js from a canvas in a way that hover events cannot be triggered, you can use the destroy() method provided by Chart.js.
This method removes the chart from… Read More
2024-04-20 20:38
To clear a chart from a canvas in such a way that hover events cannot be triggered, we can follow these steps using JavaScript:
Get the reference to the canvas element.
Clear the canvas by r… Read More
2024-04-20 16:18
You can programmatically trigger the file dialog box in JavaScript by simulating a click event on a hidden element.
To do this, we:
Trigger File DialogOpen File Dialog
In this… Read More
2024-04-20 16:17
To get the position of a or element with JavaScript, you can use the getBoundingClientRect() method.
This method returns a DOMRect object containing the size and position of the element re… Read More
2024-04-20 16:16
To send data from a content script to a popup HTML page in a Chrome Extension, you can use the messaging API provided by Chrome’s extension system.
To do this, we add the following:
C… Read More
2024-04-20 16:15
You can add inline styles to an element dynamically using JavaScript.
To simulate a hover effect, you can listen for the mouseenter and mouseleave events and then apply or remove the inline… Read More
2024-04-20 16:14
To get the width and height of an HTML5 canvas element with JavaScript, you can simply access its width and height properties.
For example we write:
Get Canvas Width and Height
In thi… Read More
2024-04-20 16:14
Detecting changes in an HTML form with JavaScript involves tracking the initial state of the form and comparing it to its current state.
We can achieve this by:
Storing the initial state of… Read More
2024-04-20 16:13
If you load JSON data using a tag with the src attribute pointing to a JSON file or a JSONP endpoint, we can access the loaded data using JavaScript.
To do this, we:
Assuming you have a JSO… Read More
2024-04-20 16:12
To create an input field that accepts only numbers in an Angular application using TypeScript, you can utilize Angular’s built-in forms and validators.
To do this, we:
Create a Reacti… Read More
2024-04-20 16:11
To scale an image to fit onto a canvas with JavaScript, you need to calculate the appropriate scaling factor and then draw the image onto the canvas with the desired dimensions.
For example… Read More
2024-04-20 16:10
Drawing polygons on an HTML5 canvas with JavaScript involves a few steps. Here’s a basic example:
Draw Polygons
This code defines an HTML page with a canvas element and JavaScri… Read More
2024-04-14 01:05
The error “Form submission canceled because the form is not connected” typically occurs in Angular applications when you try to submit a form programmatically without the form be… Read More
2024-04-14 01:04
We can create a text input dynamically with JavaScript by creating an element and then appending it to the desired parent element in the DOM.
For example, we:
Dynamically Create Text Inp… Read More
2024-04-14 01:03
In JavaScript, you cannot directly create session-only cookies because cookies are managed by the browser, and there is no built-in option to specify a session-only cookie using JavaScript a… Read More
2024-04-14 01:03
To open the file select dialog via JavaScript, we can trigger a click event on an element.
To do this, we:
HTML:
Open File Dialog
JavaScript:
function openFileDialog() {
// Trigger a c… Read More
2024-04-14 01:02
To resize a canvas containing a chart created with Chart.js, we can use the resize method provided by Chart.js.
To do this, we write:
// Get the canvas element
var canvas = document.getEleme… Read More
2024-04-14 01:02
You can add and remove multiple CSS classes to an element using JavaScript by manipulating the classList property of the element.
The classList property provides methods to add, remove, togg… Read More
2024-04-14 01:01
You can achieve this by opening the popup window with window.open() and then attaching an event listener to the popup window to detect when it is closed.
When the popup window is closed, you… Read More
2024-04-14 01:01
To turn off antialiasing on an HTML canvas with JavaScript, you can set the imageSmoothingEnabled property of the canvas context to false.
To do this, we:
const canvas = document.getElementB… Read More
2024-04-14 01:00
To set the checked value of a checkbox using Angular and JavaScript, you can utilize data binding in Angular to bind the checkbox’s checked property to a boolean variable in your compo… Read More
2024-04-13 21:42
You can get the name of the file selected by the user using JavaScript when they select a file via a file input.
To do this we write:
HTML:
JavaScript:
In this example, we have an element… Read More
2024-04-13 16:21
In Vue.js, you can add styles to elements referenced by $refs using either inline styles or by applying classes dynamically.
To do this we can:
1. Use Inline Styles
You can directly apply in… Read More
2024-04-13 16:20
The ERR_CERT_AUTHORITY_INVALID error in Axios typically occurs when the SSL certificate presented by the server is not trusted by the client.
This could happen for various reasons, such as u… Read More
2024-04-13 16:18
To put a value from one data object into another data object in Vue.js, you can simply assign the value from one data property to another property within the component’s methods or lif… Read More
2024-04-13 16:17
To call the .focus() method on a button click in Vue.js, you can use a combination of template references (ref) and Vue’s event handling. Here’s how you can do it:
Clic… Read More
2024-04-13 16:16
The setup() hook in Vue Composition API is where you define component logic, including data, computed properties, methods, and lifecycle hooks. It replaces the options object (data, computed… Read More
2024-04-13 16:15
To pass data to a modal using BootstrapVue, you can utilize Vue.js’s data binding capabilities.
There are multiple ways to achieve this, but a common approach is to use props to pass d… Read More
2024-04-13 16:14
To make Vue.js directives work in dynamically appended HTML elements, you can use the v-html directive to bind HTML content that contains Vue directives.
However, note that using v-html can… Read More
2024-04-13 16:12
In Vue.js, $v and $event are commonly used properties in certain contexts:
1. $v
$v is not a built-in property in Vue.js itself. It’s often used in the context of form validation libra… Read More
2024-04-13 16:11
In Vue 3, you can emit events from a parent component to a child component using the Composition API along with the provide and inject functions.
To achieve this, we do the following:
1. Par… Read More
2024-04-13 16:10
Deploying a Vue.js application to a shared hosting environment involves a few steps:
1. Build Your Vue App
First, you need to build your Vue.js application for production. This generates sta… Read More
2024-04-13 00:36
In Nuxt.js with nuxt-i18n, we can call this.$router.push to navigate to a localized route.
To do this we can try the following.
Assuming we have a page called example.vue and we want to navi… Read More
2024-04-13 00:35
To make a computed property in Vue.js dependent on the current time, you can utilize a combination of JavaScript’s Date object and Vue’s reactivity system.
For example, we write… Read More
2024-04-13 00:34
The error message we’re encountering, “Module build failed: TypeError: this.getResolve is not a function at Object.loader”, typically occurs when there’s a mismatch b… Read More
2024-04-13 00:31
To update data of a Vue.js instance from a jQuery Ajax call, you can use Vue’s reactivity system to update the data once the Ajax call is successful.
We can follow the following steps:… Read More
2024-04-13 00:30
When dealing with large data sets in Vue.js and using v-model, you might encounter performance issues due to the reactivity system updating the UI for every change in the data.
Here are seve… Read More
2024-04-13 00:28
To make only one module persistent with vuex-persistedstate, you can configure the plugin to only persist the state of that specific module. Here’s how you can do it:
First, install vu… Read More
2024-04-13 00:27
To test if an input is focused using Vue Test Utils, you can use the wrapper.find() method to select the input element and then check its element property to see if it’s focused.
To do… Read More
2024-04-13 00:27
To call methods defined in the App.vue component from child components, you can use Vue’s event bus, props, or Vuex, depending on your application’s complexity and requirements… Read More
2024-04-13 00:26
To blur an element when it’s clicked in Vue.js, you can use a combination of Vue directives and data binding.
For example we write
Click to blur
This is a blurre… Read More
2024-04-13 00:25
Waiting for data before rendering in Vue.js typically involves utilizing conditional rendering or loading states.
To do this we write:
{{ data }}
Loading...
In this e… Read More
2024-04-07 22:45
To directly change state with Vue and Vuex, we should use mutations. Mutations are synchronous functions responsible for modifying the state in a Vuex store.
To directly change state using m… Read More
2024-04-07 22:44
To watch the height of an element in Vue.js, we can use a combination of a ref and a watcher.
For instance we write:
In this example we use a ref (elementToWatch) to access the ele… Read More
2024-04-07 22:43
To show the state (open or closed) of a Bootstrap-vue Collapse component with an arrow indicating whether it’s expanded or collapsed, we can use some CSS and Vue.js to dynamically appl… Read More
2024-04-07 22:41
If you’re encountering “The specified key does not exist” error for a Vue.js app deployed on S3 with CloudFront, it’s likely due to CloudFront caching or misconfigura… Read More
2024-04-07 22:39
We can dynamically change a CSS class based on the scroll position using Vue.js by utilizing a combination of data properties, computed properties, and event listeners.
Below is a basic exam… Read More
2024-04-07 22:38
To change a Vue prototype variable in all components, we can use Vue’s mixin functionality.
Mixins allow us to inject functionality into multiple components.
To do this we:
Define a mi… Read More
2024-04-07 22:37
In Vue.js, we can pass a dynamic function name to a click event handler by referencing a method or computed property that returns the function we want to call.
To do this we write:
Click me… Read More
2024-04-07 22:36
When we see webpack:// in the sources tab of our browser’s developer tools, it means that our JavaScript source files are being served directly from Webpack’s development server… Read More
2024-04-07 22:35
The error “Uncaught ReferenceError: Vue is not defined” typically occurs when the Vue.js library is not loaded before attempting to use it in our HTML file.
To fix this error whe… Read More
2024-04-07 22:34
Named routes in Vue Router provide a convenient way to reference routes by their names instead of using URLs directly.
This is especially useful when you have nested or dynamic routes.
To ca… Read More
2024-04-07 05:41
npx and npm are both command-line tools used in the Node.js ecosystem, but they serve different purposes:
npm (Node Package Manager)
npm is the default package manager for Node.js, used for… Read More
2024-04-07 05:39
In React.js, when you render arrays of elements (e.g., in a loop), each child element must have a unique “key” prop assigned to it. This helps React identify which items have cha… Read More
2024-04-07 05:34
Passing props to {this.props.children} in React involves using the React.cloneElement() function to clone each child element and add additional props to them.
Here’s how we can do it:… Read More
2024-04-07 05:31
In React, the three dots (...) are used as part of the spread syntax (...) in JavaScript. This syntax allows an iterable (like an array) to be expanded into individual elements.
In the conte… Read More
2024-04-07 05:28
In React JSX, you can loop over arrays or iterables using JavaScript’s array methods like map(), forEach(), or a for loop directly within your JSX code. Here’s how you can do it… Read More
2024-04-07 05:27
The error message “error:0308010C:digital envelope routines::unsupported” typically occurs in the context of SSL/TLS connections, particularly when OpenSSL is involved. This erro… Read More
2024-04-07 05:25
In React, we can programmatically navigate using React Router by using the useHistory hook provided by React Router.
For instance we write
import { useHistory } from 'react-router-dom';
fun… Read More
2024-04-07 05:21
To add a tag in each table row in HTML, we can simply enclose each row within a tag.
For example, we write:
Forms in Table RowsName
Email
Action… Read More
2024-04-07 05:19
To add an SVG element to an existing SVG using the Document Object Model (DOM) with JavaScript, we can create the SVG element you want to add.
Then we set any attributes or properties of the… Read More
2023-07-13 01:49
Sometimes, we want to set up ESLint and Prettier in Vue.js projects and format code automatically with Prettier with VS Code.
In this article, we’ll look at how to set up ESLint and Pr… Read More
2023-02-13 01:10
Sometimes, we want to select parent element with CSS.
In this article, we’ll look at how to select parent element with CSS.
How to select parent element with CSS?
To select parent elem… Read More
2023-02-13 01:10
Sometimes, we want to remove the space between inline or inline-block elements with CSS.
In this article, we’ll look at how to remove the space between inline or inline-block elements… Read More
2023-02-13 01:10
Sometimes, we want to center horizontally and vertically with CSS Flexbox.
In this article, we’ll look at how to center horizontally and vertically with CSS Flexbox.
How to center hori… Read More
2023-02-13 01:10
Sometimes, we want to change an HTML5 input’s placeholder color with CSS.
In this article, we’ll look at how to change an HTML5 input’s placeholder color with CSS.
How to c… Read More
2023-02-13 01:09
Sometimes, we want to select the CSS parent element
In this article, we’ll look at how to select the CSS parent element.
How to select the CSS parent element?
To select the CSS parent… Read More
2023-02-13 01:09
Sometimes, we want to set cellpadding and cellspacing in CSS.
In this article, we’ll look at how to set cellpadding and cellspacing in CSS.
How to set cellpadding and cellspacing in CS… Read More
2023-02-13 01:09
Sometimes, we want to disable the resizable property of a textarea with CSS.
In this article, we’ll look at how to disable the resizable property of a textarea with CSS.
How to disable… Read More
2023-02-13 01:09
Sometimes, we want to apply CSS to half of a character.
In this article, we’ll look at how to apply CSS to half of a character.
How to apply CSS to half of a character?
To apply CSS to… Read More
2023-02-13 01:08
Sometimes, we want to transition height: 0; to height: auto; using CSS.
In this article, w’ell look at how to transition height: 0; to height: auto; using CSS.
How to transition height… Read More
2023-02-13 01:08
Sometimes, we want to add an unordered list without any bullets with CSS.
In this article, we’ll look at how to add an unordered list without any bullets with CSS.
How to add an unorde… Read More
2023-02-05 18:43
To programmatically navigate using React Router and JavaScript, we can use the useHistory hook.
For instance, we write
import { useHistory } from "react-router-dom";
const HomeButton = () =… Read More
2023-02-05 18:42
To fix React-router URLs don’t work when refreshing or writing manually, we should fix our server config.
For instance, we write
RewriteEngine On
RewriteBase /
RewriteRule ^inde… Read More
2023-02-05 18:42
To add loop with React JSX, we use the array map method.
For instance, we write
{[...Array(10)].map((x, i) => (
))}
to render the array’s data by creating array with 10… Read More
2023-02-05 18:42
To pass props to this.props.children with React, we call the React.cloneElement method.
For instance, we write
{React.cloneElement(this.props.children[0], {
loggedIn: true,
testPr… Read More
2023-02-05 18:41
To force a React component to rerender without calling setState, we can keep a state with useReducer.
For instance, we write
const [, forceUpdate] = useReducer((x) => x + 1, 0);
const ha… Read More
2023-02-05 18:41
Sometimes, we want to conditionally add attributes to React components.
In this article, we’ll look at how to conditionally add attributes to React components.
How to conditionally a… Read More
2023-02-05 18:41
Sometimes, we want to set focus on an input field after rendering with Reatct.
In this article, we’ll look at how to set focus on an input field after rendering with Reatct.
How to set… Read More
2023-02-05 18:40
Sometimes, we want to fix onClick can’t pass value to method with React.
In this article, we’ll look at how to fix onClick can’t pass value to method with React.
How to fix… Read More
2023-02-05 18:40
Sometimes, we want to call child method from parent with React.
In this article, we’ll look at how to call child method from parent with React.
How to call child method from parent wit… Read More
2023-02-05 18:40
Sometimes, we want to detect click outside React component.
In this article, we’ll look at how to detect click outside React component.
How to detect click outside React component?
To… Read More
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