In this tutorial, we will see how we can detect mouse right-clicks with Javascript. Click events have a button property associated with it, that allows us to get the exact mouse button. Mousedown and mouseup handlers may need an event to differentiate the clicks because these events trigger on any button. APIs in Javascript allow … Read more
In this blog, we will see how to use JavaScript’s Spread Operator. The JavaScript spread operator (…) allows us to copy a part of an existing array or an object into a different array or object. This is a time saving practice that JS developers follow. This operator is mostly used with variable arrays where … Read more
In this tutorial we will go through how to get the first N elements of an Array in JavaScript. There are several ways to achieve this. In this blog we will look at two most efficient ways to do this task. One is the slice() method and second one filter() method. Let’s see at each … Read more
In this tutorial, we will learn how to merge two or more JavaScript objects and create a new object that combines the properties of all the objects. To merge objects into a new one containing all the properties of the merged objects, we have two options: Use a spread operator (…) Use the Object.assign() method … Read more
In this tutorial, we will look through how to remove null from an Array using Lodash or without Lodash. You may be wondering what lodash is. What is Lodash? Lodash is a popular JavaScript based library which provides many functions for the web developers and the coders by providing them some helper functions like map, … Read more
We have often seen developers using == and === on codes. In this tutorial we will clear all the doubts that you have regarding these two operators. In JavaScript we have 4 ways of comparing two equals, out of which two are widely used. We will be discussing those two exclusively in this tutorial. ‘==’ … Read more
In this tutorial, we will be discussing how to create a copy to clipboard button. Often in websites , you may have seen such buttons that allow us to copy the content present in the text-area or that particular box. There are numerous scenarios in web development where users have to be provided with a … Read more
JavaScript functions can return a single value only, but there is a work around to return more than two or just return two values from a function JavaScript. For returning multiple values from a function in JS, you need to wrap the return values as elements of an array or return the values as the … Read more
Non-alphanumeric characters are those characters which are not alphabets or numbers. For example characters like exclamation mark(!), commas(,), question mark(?), colon(:), semicolon (;) etc. We will learn two ways to remove non- alphanumeric characters from a string. Both the methods are discussed below. Remove all non-alphanumeric Characters from String (Including Spaces, Hyphen) One way is … Read more
As we all know, we can create elements using HTML and CSS but there is another way also to dynamically create elements using JavaScript. So, today we will learn about how to create elements using JavaScript dynamically. Here’s a quick example that creates a span, adds some text to it and appends it as the … Read more