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Front End Technology Articles
Page 260 of 652
How to find the number of anchors with JavaScript?
In this tutorial, we will learn how to find the number of anchors used in an HTML document with JavaScript. Sometimes, During the development of a web page, the developer may need to add multiple links to the different buttons present on the webpage using multiple anchors for each button. In such a situation, if you want to find the number of anchor elements, you can use the anchors property. JavaScript allows us to use the anchors property to count the number of anchors ( elements) in an HTML document. Note − The document.anchors property is deprecated and no longer ...
Read MoreHow to find the min/max element of an Array in JavaScript?
In this tutorial, we will learn different ways of finding the maximum and minimum elements of an array in JavaScript. The minimum element is the smallest element among all the elements present in the array, while the maximum is the largest among them Below are the approaches we can use to find the min/max elements of an array. Traverse the whole Array Using the Math.min() and Math.max() Methods. Let us discuss these approaches with help of program examples. Approach 1: Traverse the whole Array In this approach, we will traverse the whole array using the for loop and ...
Read MoreHow to find the largest number contained in a JavaScript array?
In this tutorial, we will learn about the different methods or ways of finding the largest number contained inside a JavaScript array. An array is a collection of different values. We will define an array of numbers in which we will search for the largest number. There are three ways of finding the largest number in a JavaScript array that is listed below − Traversing the Whole Array Using the reduce() Method Using the Math.max() and apply() methods Traversing the Whole Array This is the easiest or the most naive approach to find the largest number in the ...
Read MoreHow to find the id of the form a button belongs to in JavaScript?
In this tutorial, we will learn how we can find the id of the form element to which a button belongs using JavaScript. In HTML, we can use button tag in two ways with form tag, where it can be used to perform some activity in the form when it is clicked, as listed below − Button is inside the FORM tag Button is outside the FORM tag No matter where the button is located, whether it is inside or outside, we can find the ID of the form tag to which the button belongs using JavaScript. Let ...
Read MoreHow to find out which JavaScript events fired?
In this tutorial, we will learn how we can find out which JavaScript event is fired or triggered. We can add events to HTML elements to perform some actions on the webpage like changing text, form submission, etc. There are two ways of finding which JavaScript event is fired − Using Developer Tools Using Inspect Element Let us discuss both of them one by one with coding examples. Using Developer Tools We can find out which JavaScript event is fired by using developer tools in the browser. To open Developer tools, you need to press ctrl + shift ...
Read MoreHow to extend an existing JavaScript array with another array?
In this tutorial, let’s find out how to extend an existing JavaScript array with another array. Before explaining the steps, we need to be aware that there is a requirement for several arrays at various times, and learning the right method can save our coding time. You will find more than four methods to extend an array with another. So, most likely, find an easy-to-remember method in the tutorial. Using Array push() Method and Spread Syntax The push() method is extremely useful in adding items to an existing JavaScript array. Moreover, you can pass a variety of different arguments based ...
Read MoreHow to find JavaScript function definition in Chrome?
In today’s time, almost everyone knows Google Chrome and how to use it for their comfort. But in the case of a developer, it is a must to have advanced knowledge of using Chrome because Chrome can help a developer tackle problems in many ways such as solving the problems or debugging the code with ease, inspecting the code, and finding JavaScript functions defined in the code. In this tutorial, we will learn how we can find a JavaScript function in Google Chrome that is defined in the JavaScript code. Here are three ways of finding the JavaScript function in ...
Read MoreHow to display HTML element with JavaScript?
In this tutorial, we will learn how to display an HTML element using JavaScript. HTML elements are the components that make up an HTML format file. These components are in charge of constructing web pages and defining their content. In HTML, an element typically consists of a start tag (tag name), a closing tag (tag name), and any text that is added in between. A collection of end tags, start tags, content, and attributes is what constitutes an element technically. Some HTML elements are − Starting Tag Content Ending Tag This is a paragraph. ...
Read MoreHow to set whether or not an element is resizable by the user with JavaScript?
In this tutorial, we will learn to set whether or not an element is resizable by the user with JavaScript. Use the resize property to set whether the element is resizable by the user or not. The elements on a webpage are fixed on their position and size. But, sometimes, you need to give access to a user to increase the size or change the position of an element. The resize property of CSS gives us a way to change the size of an element. JavaScript DOM nearly provides all the styling properties provided by the CSS. We can even ...
Read MoreHow to differentiate between Manual and Automated Animation in JavaScript?
Generally, animation in JavaScript is done to get different effects and make the object move around the page. You can move and animate any type of HTML element using manual or automated animations in JavaScript. In this tutorial, we will learn how to differentiate between manual and automated animation in JavaScript. Manual Animation Before explaining the difference between the two common types of animation used in JavaScript, we must learn the process of animating objects manually. Under Manual Animation, the animation process is not automated. The following is the implementation of a simple animation using DOM object properties and ...
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