This tutorial will teach us to use a label with a break statement in JavaScript. The label and break statement are not new in JavaScript, and many of you are familiar with both. The label is a unique string we can use to give the identity to the block of ... Read More

This tutorial will teach us to use the JavaScript functions as an object. However, functions, objects, and arrays are the mutable data types in JavaScript, and all mutable data types are the objects.The JavaScript object is one type of entity that contains the key-value pairs. It contains unique keys; every ... Read More

In this tutorial, we will learn to assign a function to a variable in JavaScript. The function is the code block that we can reuse quickly, often just by making a function call. There are two ways to declare a function in JavaScript, one is a named function, and another ... Read More

This tutorial will teach us to use a label with the continue statement in JavaScript. In the ES5, we were using the label with the go-to statement to jump over the iteration, but it is not supported in the ES6 version of JavaScript. So, we will use the continue statement ... Read More

In this tutorial, we will learn to calculate the logarithm of any number value and specify the base for the Math.log() method.The logarithmic operation of mathematics is beneficial in many places. For example, if you want to show the graph representation for billions of values, it is hard to render ... Read More

In this tutorial, we will learn to simplify the use of regular expressions in JavaScript. Some of you have heard the regular expression word for the first time. So, it is not related to JavaScript but can be used in any programming language.The simple definition of the regular expression is ... Read More

This tutorial will teach us to show image rollover with a mouse event in JavaScript. The meaning of the image rollover is to either change the image style or the whole image when the user rollovers the mouse on the image.To build an attractive user interface, developers often add image ... Read More

This tutorial teaches us to save HTML locally with JavaScript.What is local storage?Local storage means storing content inside your web browser locally. It means it takes space on your computer to store the content rather than storing it on the server of the web application. It is one kind of ... Read More

This tutorial teaches us to round down a number in JavaScript. The meaning of the round-down number is “returning the integer which is equal to or less than the current float number”.For example, if we round down the number 9.99, we get 9 as an output, and in the same ... Read More

This tutorial teaches us to replace newlines with spaces in JavaScript. Often, programmers find unusual line breaks in the string, and the random line breaks look weird when we render them on the webpage using JavaScript.So, the solution is that programmers just need to remove the line breaks and join ... Read More