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Front End Technology Articles
Page 323 of 652
What are the best practices to be followed while using JavaScript?
In this tutorial, we will learn the best practices to follow while using JavaScript. JavaScript is used in almost every website to make it more user interactive. Throughout the years, ECMAScript has released different versions of JavaScript. Each version has enhanced functionalities and new features, so it is important to know the best practices to follow while using JavaScript. The following are the best practices to be followed while using JavaScript − Meaningful Variable and Function Names The variables' and functions' names should be meaningful to their uses. In JavaScript, we use the variable to store ...
Read MoreWhat are the rules to be followed for Object Definitions in JavaScript?
In this tutorial, we will discuss the rules to follow for Object Definitions in JavaScript. JavaScript is an object-oriented scripting language. An object contains many properties. The property consists of a key and a value. The property is known as a method when this value is a function. Predefined objects are available in the browser. We can also define our objects. A real-life example of an object is a cup. The color, design, weight, and material are the main properties of a cup. The object name and the property name are case-sensitive. To define a property, we ...
Read MoreHow to set the style of the top border with JavaScript?
In this tutorial, we shall learn to set the style of the top border with JavaScript. To set the style of the top border in JavaScript, use the borderTopStyle property. This property allows you to dynamically change the visual appearance of an element's top border. Let us discuss the property available in JavaScript to achieve this in brief. Using the borderTopStyle Property With the Style borderTopStyle property, we can set or return the style of the top border of an element. Syntax Following is the syntax to set the style of the top border using ...
Read MoreHow to set the type of positioning method used for an element with JavaScript?
In this tutorial, we shall learn to set the type of positioning method used for an element with JavaScript. The positioning permits us to move elements out of actual document order and make them appear in various ways. For instance, stay on top of one another or occupy the initial position within the browser viewport. Understanding CSS Position Types Before diving into JavaScript implementation, let's understand the available position values: static − The default position. Elements follow normal document flow. relative − Positioned relative to its normal position without affecting other elements. absolute − Positioned ...
Read MoreHow to set the top position of an element with JavaScript?
In this tutorial, we shall learn to set the top position of an element with JavaScript. To set the top position of an element, we can use the DOM Style top property in JavaScript. Alternatively, we can use the DOM Style setProperty() method. Let us discuss our topic in brief. Using the Style top Property We can set or return the top position of an element using the JavaScript DOM style top property. Following is the syntax to set the top position of an element using the Style top property with the dot notation or square brackets. ...
Read MoreHow to layout table cells, rows, and columns with JavaScript?
In this tutorial, we will learn how to lay out table cells, rows, and columns with JavaScript. We can construct and edit DOM (Document Object Model) elements using JavaScript. There are two ways to add HTML components, such as tables, to an HTML document. The first is to include the HTML table tag directly into our HTML webpage, and the second is to create the full table within our JavaScript code. The second method is the most commonly used for building and adding tables to the DOM. The tr abbreviation refers to the table row. This reflects the ...
Read MoreHow to set the four transition properties with JavaScript?
In this tutorial, we will learn how to set the four transition properties with JavaScript. The transition is a CSS property used to set the transition effect of an element. It is a shorthand property for the following: transitionProperty, transitionDuration, transitionTimingFunction, and transitionDelay. The transitionProperty is used to specify the CSS property name that should have the transition effect. The transitionDuration property is used to specify the total time to complete the transition. The transitionTimingFunction is used to specify the speed curve of the transition. The transitionDelay is used to specify after how much time the transition will ...
Read MoreHow to set whether an element should be visible in JavaScript?
In this tutorial, we shall learn to set whether an element should be visible in JavaScript. Use the visibility property to hide or show an element. The visibility property takes different values such as visible, hidden, collapse, etc. To show an element, we set the visibility property to "visible" whereas to hide the element we set it to "hidden". We can also set visibility using the display property. Let us briefly discuss the two properties in JavaScript to achieve our objective. Using the Style visibility Property JavaScript provides us with the visibility property with which we can ...
Read MoreHow to set when the transition effect will start with JavaScript?
In this tutorial, we shall learn to set when the transition effect starts with JavaScript. To set when the transition effect will start, use the JavaScript transitionDelay property. To make interactive components, we go for transition effects. Here let us get deeper into the topic and understand how we can set the transition start. Using the Style transitionDelay Property With Style transitionDelay property, we can set or return when the transition effect starts. We can specify the transitionDelay value in seconds(s) or milliseconds(ms). The delay can be either negative, positive, or zero. The transition effect starts ...
Read MoreHow to format a float in JavaScript?
In JavaScript, formatting floating point numbers means controlling how many decimal places are displayed or how the number is rounded. There are several built-in methods to format floats, each with different behaviors for rounding and precision control. Math.round() Method Math.floor() Method Math.ceil() Method toFixed() Method toPrecision() Method Math.round() Method The Math.round() method rounds a number to the nearest integer. For decimal precision, multiply by 10^n, round, then divide by 10^n. Syntax Math.round(num) ...
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