what ist the form-control class doing in bootstrap?
The form-control
class in Bootstrap is used to style form elements, such as inputs and select elements, to have consistent and clean appearance.
When applied to an input element, it sets the width to 100%, adjusts the padding, border, and font size to provide a uniform appearance for all inputs on your website.
Example usage in HTML:
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<input type="text" class="form-control" placeholder="Enter your name">
Here's a link to the Bootstrap documentation for more information and examples.
How to add a text box in html?
You can use the <input>
tag to add a text box in HTML.
html Copy code
<input type="text" name="example" value="Text in the box" />
Example:
Map in react
In React, you can use the .map()
method to iterate through an array and render a list of elements. The .map()
method will take a callback as an argument and return a new array with the returned value of the callback.
Example in JavaScript:
javascript Copy code
const arrayData = [1, 2, 3, 4, 5];
const mappedData = arrayData.map(item => item * 2);
In this example, the mappedData
array will be equal to [2, 4, 6, 8, 10]
.
You can also use .map()
to render a list of components, such as in this example:
javascript Copy code
import React from "react";
const App = () => {
const arrayData = [1, 2, 3, 4, 5];
return (
<ul>
{arrayData.map(item => (
<li key={item}>{item}</li>
))}
</ul>
);
};
This will return a list of elements with the values of data in the arrayData
array. For more information on .map()
in React, visit this page.
why prettier asks me to close body
It is likely that your HTML code has an unclosed <div>
or <body>
tag. You can use a code editor, like Visual Studio Code (VSCode), to inspect your HTML file to identify and fix the closing tag issues.
After the user clicks on the Apply now button Ask for the personโs first name Ask for the personโs age If 18 or more, change the h1 to โHi, {Name}! Welcome to SheCodes !โ Otherwise change the h1 to โSorry, {Name}! You cannot join SheCodes โ
javascript Copy code
const button = document.querySelector("#apply");
button.addEventListener("click", event => {
const name = prompt("What is your first name?");
const age = prompt("How old are you?");
const h1 = document.querySelector("h1");
if (parseInt(age) >= 18) {
h1.textContent = `Hi, ${name}! Welcome to SheCodes !`;
} else {
h1.textContent = `Sorry, ${name}! You cannot join SheCodes `;
}
});
form that ask for information such as name, last name, and email address. submit button
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<form action="" method="post">
<label>Name:</label><br>
<input type="text" name="name" placeholder="Your name" required><br>
<label>Last Name:</label><br>
<input type="text" name="lastname" placeholder="Your last name" required><br>
<label>Email:</label><br>
<input type="email" name="email" placeholder="Your email" required><br><br>
<input type="submit" value="Submit">
</form>
css Copy code
form {
padding: 1rem;
}
input[type="text"],
input[type="email"] {
display: block;
width: 100%;
padding: 0.8rem;
margin-bottom: 0.5rem;
font-size: 0.9rem;
border-radius: 0.3rem;
border: 1px solid rgba(0, 0, 0, 0.25);
}
input[type="submit"] {
background-color: #6F9EB6;
color: #FFF;
padding: 0.8rem 1.2rem;
font-size: 0.9rem;
border-radius: 0.3rem;
border: none;
}
write code that displays the temperature of a city when we enter a city name in form.
HTML:
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<form>
<label>
City:
<input type="text" id="city" name="city">
</label>
<br>
<button type="submit" onclick="getTemperature()">Check Temperature</button>
</form>
<p id="temperature"></p>
CSS:
css Copy code
form {
width: 250px;
margin: 0 auto
}
JavaScript:
javascript Copy code
function getWeather(city) {
fetch(`http://api.openweathermap.org/data/2.5/weather?q=${city}&appid=***********`)
.then((response) => response.json())
.then((data) => {
let temp = data.main.temp;
document.getElementById("temperature").innerHTML = `The temperature of ${city} is ${temp} K.`;
});
}
function getTemperature() {
let city = document.getElementById("city").value;
getWeather(city);
document.getElementById("city").value = "";
}
how <strong> work?
It depends on what you are referring to. Please provide more information and specify the language or technology to get a clear answer.
how do I make a form centered to the page?
You can center a form to the page in HTML/CSS by setting its margins to "auto". For example, you can add the following CSS to a
Create a login form with username field, a password field and a login button Import Bootstrap and apply the form component styling
html Copy code
<!-- HTML Code -->
<head>
<!-- Import Bootstrap -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
</head>
<body>
<!-- Create a login form -->
<div class="container">
<form action="" class="">
<div class="form-group">
<label for="username">Username</label>
<input type="text" class="form-control" id="username">
</div>
<div class="form-group">
<label for="password">Password</label>
<input type="password" class="form-control" id="password"></input>
</div>
<button type="submit" class="btn btn-primary">Login</button>
</form>
</div>
</body>
form validator for email
HTML
html Copy code
<form>
Email: <input type="text" name="email" id="email" />
<input type="button" value="submit" onclick="validate()" />
</form>
JavaScript
javascript Copy code
function validate(){
const email = document.getElementById('email').value
const regex = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/;
if(regex.test(email)) {
alert("Valid email!")
} else {
alert("Invalid email!")
}
}
CSS
css Copy code
input[type=text] {
padding: 5px;
border: 1px solid #ccc;
box-shadow: 2px 2px 5px #ccc;
}
how to change h1 to the name submitted in the search engine by a user
HTML:
html Copy code
<form>
<label for="userName">Name: </label>
<input type="text" name="userName" id="userName" />
<input type="submit" value="Submit" />
</form>
<h1>Hello</h1>
JavaScript:
javascript Copy code
document.querySelector('form').addEventListener('submit', (e) => {
e.preventDefault();
const userName = document.querySelector('#userName').value;
document.querySelector('h1').textContent = `Hello, ${userName}`;
});
create a dropdown filter in react js functional component
jsx Copy code
import React, { useState } from 'react';
const DropdownFilter = () => {
const [filter, setFilter] = useState('');
const handleChangeFilter = event => {
setFilter(event.target.value);
}
return (
<div>
<label htmlFor="filter">Filter: </label>
<select
name="filter"
value={filter}
onChange={handleChangeFilter}
>
<option value="">-- Please Select --</option>
<option value="name">Name</option>
<option value="date">Date</option>
<option value="category">Category</option>
</select>
</div>
)
};
export default DropdownFilter;
create a select filter
jsx Copy code
class Filter extends React.Component {
state = {
selectedValue: ''
};
handleChange = (event) => {
const { selectedValue }= event.target;
this.setState({selectedValue });
}
render() {
const {selectedValue} = this.state;
return (
<div>
<label htmlFor="filter"> Filter: </label>
<select
name="filter"
id='filter'
value={selectedValue}
onChange={this.handleChange}
>
<option value="all">All</option>
<option value="option1">Option 1</option>
<option value="option2">Option 2</option>
</select>
</div>
)
}
}
how to make a postcard contact form html with css responsive with name message and email
Using HTML, CSS and JavaScript, you can create a postcard contact form that is responsive for the user's name, email and message.
Below is an example of a postcard contact form HTML with CSS:
html Copy code
<form action="mailto:yourname@email.com" method="POST" enctype="text/plain">
<input type="text" name="name" placeholder="Your name" />
<input type="text" name="email" placeholder="Your email" />
<input type="text" name="message" placeholder="Your message" />
<input type="submit" value="Send" />
</form>
And an example of the matching CSS:
css Copy code
form {
width: 60%;
padding: 20px;
text-align: center;
background-color: #e2dcdf;
margin: 0px auto;
}
input[type="text"] {
width: 75%;
border: none;
padding: 10px;
margin-bottom: 10px;
background: #e2dcdf;
}
input[type="submit"] {
padding: 10px;
margin-top: 10px;
background: #000000;
color: #FFFFFF;
font-size: 1em;
font-weight: bold;
border: none;
width: 80%;
}
To make this form responsive, you should add a viewport meta tag and adjust the width size of the form to 100%, like so:
html Copy code
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
</head>
<form action="mailto:yourname@email.com" method="POST" enctype="text/plain">
<input type="text" name="name" placeholder="Your name" />
<input type="text" name="email" placeholder="Your email" />
<input type="text" name="message" placeholder="Your message" />
<input type="submit" value="Send" />
</form>
css Copy code
form {
width: 100%;
padding: 20px;
text-align: center;
background-color: #e2dcdf;
margin: 0px auto;
}
input[type="text"] {
width: 75%;
border: none;
padding: 10px;
margin-bottom: 10px;
background: #e2dcdf;
}
input[type="submit"] {
padding: 10px;
margin-top: 10px;
background: #000000;
color: #FFFFFF;
font-size: 1em;
font-weight: bold;
border: none;
width: 80%;
}
For more information on how to create responsive forms, check out this article, Building Responsive Contact Forms with HTML and CSS.
how to make a postcard contact form html with css
To create a postcard contact form using HTML and CSS, you'll first need to construct the HTML structure. For example:
html Copy code
<form>
<h2>Postcard Form</h2>
<label>Name:</label><br/>
<input type="text" name="name" placeholder="Enter your name" /><br/>
<label>Message:</label><br/>
<textarea id="message" placeholder="Enter your message"></textarea><br/>
<input type="submit" value="Send Postcard" />
</form>
Then, add your desired styling with CSS. For example:
css Copy code
form {
width: 500px;
background: #eee;
padding: 20px;
margin: 0 auto;
font-family: sans-serif;
}
h2 {
margin: 0 0 20px 0;
text-align: center;
}
input[type="text"], textarea#message {
width: 100%;
font-size: 16px;
padding: 7px;
border: 1px solid #eee;
margin-bottom: 10px;
outline: none;
}
input[type="submit"] {
background: #d11e20;
border: 1px solid #d11e20;
font-size: 16px;
font-weight: bold;
color: white;
padding: 7px 0;
width: 100%;
margin-top: 20px;
cursor: pointer;
}
You can find a full example with explanation on W3Schools.
how to set conditional rendering for language proerty
In JavaScript, you can use if
statements to set conditional rendering based on a language property.
For example, if you want to render certain elements in the page based on the language property of 'en'
:
javascript Copy code
if (language === 'en') {
// render page elements in English
}
You can read more about using if
statements in JavaScript here.
Using the HTML, CSS, and JavaScript you will build the front-end of the Play2Learn website. It should include Anagram Hunt - a game for finding anagrams.
HTML
html Copy code
<!DOCTYPE html>
<html>
<head>
<title>Play2Learn: Anagram Hunt</title>
</head>
<body>
<h1>Anagram Hunt</h1>
<form>
<label>Your Guess:<input type="text" name="anagram-guess"/></label>
<input type="submit" value="Guess"/>
</form>
<div id="anagram-hunt">
<!-- This div will contain the anagram word and wrong guesses -->
</div>
</body>
</html>
CSS
css Copy code
body {
font-family: sans-serif;
text-align: center;
}
#anagram-hunt {
margin-top: 20px;
padding: 20px;
}
JavaScript
js Copy code
// The array of words to be used in Anagram Hunt
let words = ['alert', 'later', 'laser', 'resal', 'alters'];
// Initialize the game variables
let gameWord, guesses, wrongGuesses;
// Function to start the anagram game
const startGame = () => {
// Select a random word from the array
gameWord = words[Math.floor(Math.random() * words.length)];
// Initialize the promises and wrong guesses
guesses = '';
wrongGuesses = [];
}
// When the guess form is submitted
document.querySelector('form').addEventListener('submit', (event) => {
event.preventDefault();
// Get the guess from the form
let guess = document.querySelector('input').value;
// Store and display the guess
guesses += guess;
let guessedLetters = guesses.split('');
displayGuesses(guessedLetters);
// Check if the guess is correct and reset the form
if (gameWord === guess) {
alert('You guessed the word!');
startGame();
} else {
wrongGuesses.push(guess);
document.querySelector('form').reset();
}
// Check if the game is over
if (wrongGuesses.length >= 3) {
alert('You lost!');
startGame();
}
});
// Function to display the guessed letters
const displayGuesses = (guessedLetters) => {
let output = '';
// Loop over the gameWord
for (let i = 0; i < gameWord.length; i++) {
// Check if letter is in the guessedLetters array
if (guessedLetters.includes(gameWord[i])) {
output += gameWord[i] + ' ';
} else {
output += '_ ';
}
}
// Add the wrong guesses and update the anagram-hunt div
document.querySelector('#anagram-hunt').innerHTML = output + '</br> Wrong guesses: ' + wrongGuesses;
}
// Start the game on page load
startGame();
change html to react.js
To change HTML to React.js, you have to write code to include the React library, render your JSX elements, and define the React components that make up your application. For example, the HTML code:
html Copy code
<div class="App">
<h1>My App</h1>
<p>Hello world!</p>
</div>
can be changed to React.js by writing code as follows:
js Copy code
import React from 'react'
const App = () => {
return (
<div className="App">
<h1>My App</h1>
<p>Hello world!</p>
</div>
)
}
export default App
More information on getting started with React can be found here: https://reactjs.org/docs/getting-started.html.
Given integers M and N, write a program that counts how many positive integer pairs (a, b) satisfy the following conditions: a + b = M a XOR b = N
HTML
html Copy code
<div>
<p>Enter M and N:</p>
<input id="mVal" type="number">
<input id="nVal" type="number">
<button id="calc" type="button" onclick="CountPairs()">Calculate</button>
</div>
<div id="resultDiv">
<p>Number of Pairs: <span id="result"></span></p>
</div>
CSS
css Copy code
input {
width: 30px;
margin: 2px;
}
#resultDiv {
display: none;
}
JavaScript
javascript Copy code
function CountPairs() {
const m = document.getElementById("mVal").value;
const n = document.getElementById("nVal").value;
let result = 0;
for (let i = 0; i <= m; i++) {
for (let j = 0; j <= m; j++) {
if (i + j === Number(m) && (i ^ j) === Number(n)) {
result += 1;
}
}
}
document.getElementById("resultDiv").style.display = "block";
document.getElementById("result").innerHTML = result;
}
write a dropdown
jsx Copy code
import React from "react";
class Dropdown extends React.Component {
constructor(props) {
super(props);
this.state = {
isOpen: false,
selectedOption: ''
}
this.renderOptions = this.renderOptions.bind(this);
this.handleChange = this.handleChange.bind(this);
this.toggleOpen = this.toggleOpen.bind(this);
}
toggleOpen() {
this.setState({
isOpen: !this.state.isOpen
});
}
handleChange(e) {
this.setState({
selectedOption: e.target.value
});
}
renderOptions() {
const options = this.props.options.map( (option) => {
return (
<option key={option.value} value={option.value}>
{option.title}
</option>
);
});
return options;
}
render() {
const display = this.state.isOpen? 'block' : 'none';
return (
<div className="dropdown">
<div className="trigger" onClick={this.toggleOpen}>
{this.state.selectedOption || this.props.title}
</div>
<div className="options-list" style={{display: display}}>
<select
value={this.state.selectedOption}
onChange={this.handleChange}>
{this.renderOptions()}
</select>
</div>
</div>
);
}
};
export default Dropdown;
write a dropdown
html Copy code
<div class="dropdown">
<button class="btn btn-secondary dropdown-toggle" type="button" id="dropdownMenuButton" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Dropdown button
</button>
<div class="dropdown-menu" aria-labelledby="dropdownMenuButton">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</div>
Build a login page
jsx Copy code
import React, { useState } from 'react';
import { Link } from 'react-router-dom';
const Login = () => {
const [email, setEmail] = useState('');
const [password, setPassword] = useState('');
return (
<div className="login-page">
<form>
<h1>Login</h1>
<label htmlFor="email">Email</label>
<input
type="text"
name="email"
value={email}
onChange={(e) => setEmail(e.target.value)}
></input>
<label htmlFor="password">Password</label>
<input
type="password"
name="password"
value={password}
onChange={(e) => setPassword(e.target.value)}
></input>
<button type="submit">Login</button>
</form>
<p>
Don't have an account? <Link to="/register">Sign up</Link>
</p>
</div>
);
};
export default Login;
what is div in coding?
<div>
is an HTML element (or tag) used to divide sections of a web page. A div
element creates a division or a section on a web page, and is often used in combination with HTML attributes such as id, class, and align, to style and lay out the content of a web page. The following example uses two divs
within a form
element.
html Copy code
<form>
<div>
<!-- html code subsection 1 -->
</div>
<div>
<!-- html code subsection 2 -->
</div>
</form>
how to make a responsive postcard contact form for my website that works ?
Creating a contact form for your website is an important part of building user interaction. To make it responsive, you can use HTML, CSS, and JavaScript to build a contact form that works on mobile, tablet, and desktop devices.
An example of a simple contact form with a postcard look is below:
HTML:
code Copy code
<form action="/contact-success.html" method="post">
<div class="postcard">
<label for="name">Name: </label>
<input type="text" name="name" id="name" required>
<label for="message">Message: </label>
<textarea name="message" id="message" required></textarea>
<input type="submit" value="Send Message" class="button" />
</div>
</form>
CSS:
css Copy code
.postcard {
width: 800px;
max-width: 40%;
min-width: 280px;
padding: 20px;
margin: 10px auto;
box-sizing: border-box;
background-color: white;
border: 1px solid #EDEDED;
border-radius: 5px;
}
JavaScript:
javascript Copy code
// JavaScript to add interactive features to the contact form
const form = document.querySelector('form');
form.addEventListener('submit', handleFormSubmit);
function handleFormSubmit(event) {
event.preventDefault();
const nameField = form.querySelector('#name');
const messageField = form.querySelector('#message');
const name = nameField.value;
const message = messageField.value;
alert(`Thank you ${name}! Your message has been sent.`);
}
If you have any other questions, you can easily reach out to us here
AI stands for Artificial Intelligence. AI bots are able to learn from conversations with users and expand their knowledge this way.
SheCodes Athena will help you with technical questions about your code using artificial intelligence to find the answer. Imagine a super powerful human who has memorized everything on the internet and can access that knowledge in a matter of seconds. ๐คฏ
SheCodes Athena can answer most coding-related questions, even complicated ones! It can even find bugs in your code and tell you how to fix them in just a few seconds. Impressive, right?
Just remember we're still in testing mode so the AI may return strange or incorrect replies. Feel free to message us if this happens!
SheCodes Athena can only reply to coding-related technical questions. The same type of questions you would ask in the channels on Slack.
For questions that are not coding-related, write us here ๐
You should treat Athena like a SheCodes team member, so always be polite! ๐ Ask your questions as detailed as possible, just like you would do on Slack.
Here are some examples:
- Prettier isn't working on my VS Code. How do I fix this?
- How do I make bullet points with different colors using the list element?
- My code in Codesandbox is having some issues. Can you please tell me what the issue is? [Include the link to your Codesandbox]
For now, SheCodes Athena is limited to 5 questions per day for each student.
In that case, you can either ask SheCodes Athena a follow-up question, or you can post on the designated weekly channel on Slack!
Our technical assistants are still available on Slack and are always happy to help! ๐๐ช
Remember, questions are limited to 1000 characters.
- If you're working with an HTML file: Post a snippet of your code related to the issue you're having (just copy the code and paste it into the question box).
- If you're working with Codesandbox: Good news, you can just post the link to your Codesandbox and the AI Assistant will be able to view your code.
- If you have a longer question that would require an entire HTML file or more than 1000 characters, post it in the designated weekly channels on Slack! ๐
Athena was the Greek goddess of wisdom, among other elements. She received her name from the city of Athens, which she is known for protecting.
Much like the goddess Athena, SheCodes Athena is also incredibly wise and can solve complicated coding puzzles in a matter of seconds! ๐
Not likely. AI can automate tasks and make developers' jobs more efficient but it can't fully replace the human ability to deal with complex software. And AI will still require human developers to supervise and improve it further.
So developers may see their tasks change but they won't be replaced by AI. ๐ฉโ๐ป๐ค๐ป