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Javascript Articles
Page 266 of 534
How to convert an array into JavaScript string?
An array is the most popular and adaptable data structure you might employ in your regular programming. Predefined methods and a few more techniques make converting an array into a string simple. The process of converting an array into a JavaScript String can be done in several methods, and in this article, we will be looking at them. Using the toString() Method Using the join() Method Using JSON.stringify() Method Using the Type Coercion Using the toString() Method There is an internal function toString(). It is a built-in JavaScript method that can be applied to any JavaScript variable. The ...
Read MoreHow to add 30 minutes to a JavaScript Date object?
In this tutorial, we will learn how to add 30 minutes to a JavaScript Date object. Here we will discuss two methods which are following. Using the setMinutes( ) Method Using the getTime() Method Using the setMinutes Method The setMinutes() function of the date object accepts an integer representing the Minutes and replaces the value of the Minutes in the current date with it. Syntax Date.setMinutes(min, sec, ms); Parameter min − An integer between 0 and 59, representing the minutes. sec − An integer between 0 and 59, representing the seconds. If you specify the sec ...
Read MoreHow to add number of days to JavaScript Date?
In this tutorial, we will learn how to add a number of days to a JavaScript Date object. Here we will discuss two methods which are following. Using the setDate( ) Method Using the getTime() Method Using the setDate( ) Method JavaScript date setDate() method sets the day of the month for a specified date according to local time. Syntax Its syntax is as follows − Date.setDate( dayValue ) Here dayValue is an integer from 1 to 31, representing the day of the month. Approach To add a number of days to the current date, first we ...
Read MoreHow to add many Event Handlers to the same element with JavaScript HTML DOM?
It is very common to use the events while we are programming in JavaScript. Suppose you are creating a modal that opens up on clicking a button or hovering over using the cursor, here we using two events on a single element but JavaScript does not have any official way to use many event listeners on a single element. In this article, we will learn How to add many Event Handlers to the same element with JavaScript HTML DOM. To achieve this, we have the following approaches given below. Using Multiple addEventListener Methods Using the ES6 Way Using ...
Read MoreHow to add hours and minutes to a date with JavaScript?
In this tutorial, we will learn how to add hours and minutes to a date with JavaScript. We have multiple methods to achieve this which are the following. Add hours using the setHours() Method. Add minutes using the setMinutes() Method. Add hours or minutes with the getTime() Method. Add hours using the setHours Method JavaScript date setHours() method sets the hours for a specified date according to local time. Syntax Following is the syntax to apply the setHours() method to add hours to date − Date.setHours(hours, minutes, seconds, ms) Note − Parameters except the first one are ...
Read MoreHow 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 ...
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