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Javascript Articles
Page 264 of 534
How to add an element in the last of a JavaScript array?
In this tutorial, we will learn how to add an element to the last of a JavaScript array. The most common method to add an element to the last of the array is by using the Array push() method but we will discuss multiple methods by which we can achieve this. Here are some approaches to achieve this. Using the Array.prototype.push( ) Method Using the Array.prototype.splice( ) Method Using the Array Indexing Using the Array.prototype.push() Method To add an element in the last, use the JavaScript push() method. JavaScript array push() method appends the given element(s) in the ...
Read MoreWhat are the essential tags for an HTML Document?
Hyper Text Markup Language which is also known as HTML is used to create web pages and web applications. This application made using HTML are accessible to anyone on the world wide web (internet). The Hydertext and Markup language together help define a basic blueprint of the website or web applications.An HTML tag is used to indicate the beginning and closing for an HTML element of an HTML document. With help to these HTML tags a browser transforms an HTML document into a website or web application. In general, a tag is structured with three components, Opening Tag - Marks ...
Read MoreHow to convert a MySQL date to JavaScript date?
In this tutorial, we will learn to convert the MySQL date to JavaScript date. The MySQL date is not different from the regular date, but its format or syntax is different, which we need to convert into the format of a normal date. The general syntax of the MySQL date is YYYY - MM - DD HH: mm: ss. So, we need to convert the given MySQL date string syntax to normal date syntax. We will have two approaches to converting the MySQL date to the JavaScript date. Using the replace() Method Using the split() Method Using the ...
Read MoreHow to convert seconds to HH-MM-SS with JavaScript?
In this tutorial, we will learn to convert seconds to Hours, Minutes, and Seconds (HHMM-SS) format in vanilla JavaScript. The date and time are an integral aspect of our daily lives; date and time are frequently used in computer programming. You might need to write a website in JavaScript with a calendar, a rail schedule, or an interface for scheduling appointments. So, for such purposes, JavaScript provides us with some inbuilt functions like the getTime() returns the number of milliseconds since January 1, 1970, 00:00:00. Using the toISOString() Method We might need to put seconds into a well-formatted structure to ...
Read MoreHow can I get time and date since epoch in JavaScript?
In this tutorial, we will learn to get the date and time since epoch in JavaScript. Sometimes, programmers need to find the total number of milliseconds, seconds, days, or other things from 1 January 1970 since the UNIX epochs started. So, users can use the Date() class of JavaScript or the Moment.js library of JavaScript to get the date and time since the epoch started. Using the Object of Date() Class In this approach, we will learn to get the current date from the UNIX epoch that has been started on 1 January 1970. In JavaScript, the Date() class contains ...
Read MoreHow to convert epoch Date to meaningful JavaScript date?
In this tutorial, we will learn to convert the epoch Date to a meaningful JavaScript date. The epoch date is a representation of the date in milliseconds, and it is a total number of milliseconds since 1st January 1970 since the UNIX epochs started. Users can convert the total number of milliseconds into the meaningful date string using various approaches explained below. Using the new Date() Object In this approach, we will create the object of the Date class. The constructor of the Date() class takes the total number of milliseconds since the epoch started and converts it into the ...
Read MoreHow to convert a date object to string with format hh:mm:ss in JavaScript?
We will learn to convert the date object to a string with the format hh:mm:ss in JavaScript. It is a rear case that developers don’t use the date and time while developing the application. So, it is also important to learn to manipulate the dates. The default date object returns the date string. Maybe it can be weird as you don’t need to show everything from it. So, users can format the date string according to their requirements. Here, we will see different approaches to format the date string. Format the date using toISOString() method In this approach, we will ...
Read MoreHow to clone a Date object in JavaScript?
In this tutorial, we will learn to clone a Date object in JavaScript. We can create a new object of the Date class that contains the date and time according to the user’s requirement. Sometimes, it needs to copy the date, which means cloning it. In such cases, users can use the different approaches given below. Also, we will learn to set the new time and date in the cloned date in this tutorial. Clone a Date using the Date.getTime() Method Users can simply create the new object of the Date class and get the total number of milliseconds from ...
Read MoreHow Is Infinity converted to Boolean in JavaScript?
A number representing positive infinity is called infinity. -Infinity stands for the opposite of infinity. When a number exceeds its maximum value, it enters infinity: 1.797693134862315E+308. When an integer crosses its lower bound, it enters infinity: -1.797693134862316E+308. The universal object has the quality of infinity and is a variable with a global scope, in other words. The number is the beginning value of Infinity. A Boolean value in JavaScript may either be true or false. Users can use the Boolean function to know if something is "true" or "false". Booleans can be kept track of and modified over time by ...
Read MoreHow to create a revealing sidebar using HTML, CSS, and JavaScript?
In this tutorial, we will see different approaches to finding unique characters in a string. Simply say when a character once occurred in the string then it will not be included in the string again. Approach We will follow the below steps to create our design − STEP 1 − We will create our necessary HTML elements like home, icon, dashboard, and more options which will be present inside the sidebar. STEP 2 − Then we will design our HTML elements using CSS and we will fix them at their correct positions, in this tutorial we will use internal CSS ...
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