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In this tutorial, let’s look at how to use the String startsWith method in JavaScript. This method can be used to check whether the string starts with a given substring/string/character. Introduction to the String startsWith method The base of the startsWith method is that it returns a true if the given string starts with the … Read more
In this tutorial, let’s look at the different ways of converting a string to Boolean in JavaScript. We’ll look at a combination of pre-defined methods available in JavaScript for this exact purpose, and common operators and methods that you can modify to get the desired output. As you know, Boolean values are true or false, … Read more
In this tutorial, let’s look at the different ways to convert a string to a floating-point number. We’re not just going to stop after looking at the obvious parseFloat method. We’re going to delve further into the different ways to use the common JavaScript operations and methods to achieve the same parsed result. Let’s get … Read more
In this tutorial, let’s look at the different ways to create a multiline string in JavaScript. Multiline strings are, as the name implies, strings that span over multiple new lines, or paragraphs. If you notice, you can’t really create new lines in a normal string. You’ll get an error. If you run the above lines … Read more
In this tutorial, let’s check for an empty string in JavaScript. We’ll be looking at multiple method, starting from the simplest one. Simplest method: Use an If Else statement to return a true or false The simplest way to check if a JavaScript string is empty is by using an If Else statement, and a … Read more
In this tutorial, let’s look at how to add two numbers in JavaScript using a textbox. We’re going to start off by creating the HTML part of things. The program’s skeleton – HTML Let’s start with a header. I’m going to make it a simple header that says, “Add 2 numbers”, since that’s what our … Read more
In this tutorial, let’s learn how to find the sum of numbers using a for loop in JavaScript. It’s a very simple solution, so let’s quickly look at it. Sum of numbers within a range using a for loop To start with, we’re going to create our HTML page. We’re going to have a h1 … Read more
In this tutorial, let’s look at how to use JavaScript to search an array of objects. There are multiple ways to search for the properties inside of an object. For example, you can match one of the property values and extract the object that contains that value. Or you can just determine if that particular … Read more
In this tutorial, we’ll be looking at the different methods to parse a string in JavaScript. We’ll be looking at 4 different ways of parsing a string, from using the split method to parsing a JSON string into an object or an array. Convert a string to an array using the split method The easiest … Read more
In this tutorial, let’s look at how to create a counter in JavaScript. We’ll be creating 3 types of counters here: a click counter, an increment and decrement counter, and finally, an animated counter that counts down on its own. Let’s get right into it then! Click counter in JavaScript Let’s start with the click … Read more