explain toFixed method in javascript
The toFixed()
method in JavaScript is used to format a number with a specified number of decimal places. It takes the number of decimal places as an argument and returns a string representation of the number with the specified precision.
For example, if we have the number 3.14159
and we want to round it to 2 decimal places, we can use the toFixed()
method like this:
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let number = 3.14159;
let roundedNumber = number.toFixed(2);
console.log(roundedNumber); // Output: "3.14"
In this example, the toFixed()
method is called on the number
variable with an argument of 2
, which specifies that we want the number rounded to 2 decimal places. The resulting string "3.14"
is then stored in the roundedNumber
variable and printed to the console.
Display the current date following the following format: Today is Thursday, April 4, 2020
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const currentDate = new Date();
const daysOfWeek = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
const monthsOfYear = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
const dayOfWeek = daysOfWeek[currentDate.getDay()];
const month = monthsOfYear[currentDate.getMonth()];
const day = currentDate.getDate();
const year = currentDate.getFullYear();
const formattedDate = `Today is ${dayOfWeek}, ${month} ${day}, ${year}`;
console.log(formattedDate);
Output: Today is Thursday, April 9, 2020
display the current day of the week and time using JavaScript, for example: Tuesday 16:00
To display the current day of the week and time using JavaScript, you can use the built-in Date
object and its methods to get the current day and time, and then format it as a string in the desired format. Here is an example code snippet in JavaScript:
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// create a new Date object
const now = new Date();
// get the current day of the week
const daysOfWeek = [
'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'
];
const dayOfWeek = daysOfWeek[now.getDay()];
// get the current time
const time = now.toLocaleTimeString('en-US', { hour: 'numeric', minute: 'numeric' });
// display the result
console.log(`${dayOfWeek} ${time}`);
This code will output something like "Tuesday 4:00 PM", depending on your local timezone settings.
You can see a live example of this code on JSFiddle: https://jsfiddle.net/5z9Lmuqn/1/
Display the current date following the following format: Today is Thursday, April 4, 2020
Sure! Here's an example in JavaScript that displays the current date in the format you requested:
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const daysOfWeek = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
const monthsOfYear = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
const today = new Date();
const dayOfWeek = daysOfWeek[today.getDay()];
const dayOfMonth = today.getDate();
const monthOfYear = monthsOfYear[today.getMonth()];
const year = today.getFullYear();
const formattedDate = `Today is ${dayOfWeek}, ${monthOfYear} ${dayOfMonth}, ${year}`;
console.log(formattedDate);
This code first creates two arrays for days of the week and months of the year, respectively. It then creates a new Date
object which, at the time of creation, has the current date and time. It then extracts the day of the week, day of the month, month of the year, and year from the Date
object and formats them into a string in the way you specified. Finally, the code logs that string to the console.
Here's an example output from running this code on April 1, 2021:
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Today is Thursday, April 1, 2021
Create a function formatDate which returns a date following this format: Thursday, April 4, 2020
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function formatDate(date) {
const daysOfWeek = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
const monthsOfYear = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
const dayOfWeek = daysOfWeek[date.getDay()];
const dayOfMonth = date.getDate();
const monthOfYear = monthsOfYear[date.getMonth()];
const year = date.getFullYear();
return `${dayOfWeek}, ${monthOfYear} ${dayOfMonth}, ${year}`;
}
How to report bug to a programmer
To report a bug to a programmer, you can follow these steps:
Reproduce the bug: Try to reproduce the bug or error you experienced so that you can give specific steps to help the programmer understand the issue.
Document the bug: Document the steps you took that led to the error or bug.
Provide context: Provide context on the operating system, software version used, browser version used, or any other relevant details.
Describe the problem: Describe the problem clearly and concisely, so the developer can understand what's happening.
Submit a bug report: Submit a bug report through the software's bug reporting system, filling out as much detail as possible about the problem.
Here is an example of a bug report format:
Title: [Short title describing the bug]
Steps to reproduce:
Expected behavior: [What you expected to happen]
Actual behavior: [What actually happened]
Environment details:
By providing a detailed bug report, the programmer will most likely be able to solve the problem more efficiently.
Display the current date following the following format: Today is Thursday, April 4, 2020
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var today = new Date(); // Get the current date
var days = ["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];
var months = ["January","February","March","April","May","June","July","August","September","October","November","December"];
console.log("Today is " + days[today.getDay()] + ", " + months[today.getMonth()] + " " + today.getDate() + ", " + today.getFullYear());
// Output: Today is Thursday, April 4, 2020
How do I show a date on the html page?
You can use the <time>
element to display a date on an HTML page. The datetime attribute should be in ISO format, like this:
<time datetime="2019-04-22T18:20:16.826Z"> April, 22 2019</time>
This example displays the date April 22, 2019.
format the date time
In order to format the date time, you will need to use the appropriate date-time library in the programming language you are using. For example, in Java, you can use the java.time library to format date-time objects.
You can use the LocalDateTime.format()
method to format the date-time string. By specifying a DateTimeFormatter instance, you can customize your output format.
Java example:
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import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
// Format the current date-time
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("dd-M-yyyy hh:mm:ss");
LocalDateTime localDateTime = LocalDateTime.now();
String dataTimeString = localDateTime.format(formatter);
System.out.println(dateTimeString);
Output:
20-8-2018 11:48:27
MY IMAGE LINK IS BROKEN
This could be caused by a few things: incorrect image format, incorrect image size, incompatible browser, etc. You can try these solutions to fix your broken image link:
.jpg
, .png
, or .gif
. If these solutions do not work, you may need to reupload a different image or contact your website's hosting service for further assistance.
how to format number in K style (javascript)?
In JavaScript, you can use the toLocaleString()
method [1] to format numbers into the 'K' style. This method allows you to use the Internationalization API [2] to localize numbers.
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var num = 54321;
// To format the number so it has commas in the correct position,
// and to express it in thousands:
var ans = num.toLocaleString('en-US', { style: 'decimal', maximumFractionDigits : 0, minimumFractionDigits: 0, useGrouping: true });
console.log("Formatted to 'K': "+ ans); // 54,321
[2] https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_objects/Intl
how to convert time in RFC3339 format in javascript
The ISO 8601 standard for describing dates and times is widely used in applications, and JavaScript provides built-in support for working with it. The toISOString()
method of the Date
object can be used to convert the current date into an ISO 8601 string in the format YYYY-MM-DDTHH:mm:ss.sssZ
, which is the same as RFC3339.
Here's an example in JavaScript:
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const date = new Date('2021-02-23 13:11:07');
const isoString = date.toISOString();
console.log(isoString); // 2021-02-23T13:11:07.000Z
hello! how do i install Prettier on VS Code?
Prettier is a VS Code plugin, so to install it you need to open the Extensions tab and search for "Prettier - Code Format". Once you find it, click on the Install button to install it.
You can also use the shortcut Ctrl + Shift + X
to open the Extensions tab.
Optionally, you can add these lines of code to your user settings to enable Prettier for JavaScript files:
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"editor.formatOnSave": true,
"javascript.format.enable": true
Reference: How to Install and Use Prettier in VS Code
function formatDate which returns a date following this format: Thursday, April 4, 2020
The following code functions as a date formatter in Javascript:
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function formatDate(date) {
const daysOfWeek = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
const months = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
const dayName = daysOfWeek[date.getDay()];
const monthName = months[date.getMonth()];
const day = date.getDate();
const year = date.getFullYear();
return `${dayName}, ${monthName} ${day}, ${year}`;
}
And here's an example of how to use it:
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// Output example: Thursday, April 4, 2020
let date = new Date(2020, 4, 4);
let formattedDate = formatDate(date);
console.log(formattedDate);
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